JP4494075B2 - Optometry equipment - Google Patents

Description

  The present invention relates to an optometry apparatus for performing refraction measurement on an eye to be examined, and more particularly to an optometry apparatus configured to perform objective refraction measurement and subjective refraction measurement on both eyes simultaneously on both eyes. is there.

  In hospitals and spectacle stores, various types of optometry apparatuses for inspecting the eyes of patients and customers are used. For example, in objective refraction measurement, an autorefractometer that measures eye refractive power, an autokeratometer that measures a corneal shape, or the like is used (see, for example, Patent Document 1). An optotype presenting apparatus that presents an optotype, an optometric apparatus that includes a phoropter that corrects the refractive power by switching and applying a lens to an eye to be examined, and the like are used (see, for example, Patent Document 2).

  Conventionally, refraction measurement has been performed using two types of devices for objective and subjective. In such a conventional optometry style, the problem of the space where the apparatus is arranged, the problem of the examination time due to the measurement for each eye has been pointed out. Reflecting such circumstances, for example, as shown in Patent Document 3, both objective refraction measurement and subjective refraction measurement can be performed, and further, the measurement of the left and right eye can be performed simultaneously. An optometry apparatus has been proposed.

  An optometry apparatus described in Patent Literature 3 includes a pair of left and right eye refractive power measurement units each including an objective eye refractive power measurement optical system and a subjective eye refractive power measurement optical system, and each eye refractive power measurement. The horizontal rotation means for horizontally rotating the units independently, and the distance between the binocular refractive power measurement units and the measurement optical axis angle from the left and right drive amount and horizontal rotation amount of each eye refractive power measurement unit, And an arithmetic control circuit for obtaining a distance between pupils of the left and right eyes of the subject from the interval.

  By the way, when preparing the eyeglasses of the subject, lenses of various degrees (see, for example, Patent Document 4) with a temporary frame (also called a hanging frame, a trial frame, a test frame, etc.) attached to the subject (see FIG. 4). It is normal to perform a test to check the feeling of wear while changing the test lens (referred to as a trial lens). In this temporary frame inspection, processing such as determining the prescription power based on the measurement result of the eye refractive power and recognizing the difference in wearing feeling between the prescription power glasses and the glasses used in the past is performed. The

  FIG. 18 shows an example of a temporary frame used for the temporary frame inspection. The temporary frame 140 shown in the figure includes a pair of left and right rotating rims 141 on which trial lenses of various degrees not shown are mounted, and a pair of left and right ear hooks for arranging the rotating rims 141 in front of the left and right eyes. And a member 144. A plurality of trial lenses can be attached to the rotating rim 141 at the same time. Therefore, the rotating rim 141 is thicker than normal glasses. Further, the left and right turning rims 141 are each turned in the direction of the arrow in the figure by turning the knob 142. At this time, the rotation angle of the rotation rim 141 can be read by the scale 143.

  FIG. 19 shows a state in which the subject 145 wears the temporary frame 140. The temporary frame 140 is worn so that the ear hook member 144 is hooked on both ears of the subject 145 and the rotating rim 141 is placed in front of both eyes of the subject 145. The ear hook member 144 is configured to be adjustable in length (in the direction of the arrow in the figure) according to the face of the subject 145. Thus, the temporary frame 140 is configured so that it can be worn as if it were normal glasses, and the purpose of the temporary frame inspection is to confirm the wearing feeling as if actually wearing glasses. It is an inspection.

  Conventionally, the temporary frame inspection performs objective and refraction measurement to obtain a provisional power, and based on the calculated power, a target is placed on the subject with lenses of various powers mounted on the temporary frame. It was done by presenting and checking how it looks. In order to conduct a series of examinations using an optometry apparatus capable of simultaneous objective and subjective refraction measurement as shown in Patent Document 3, in addition to the optometry apparatus, a target is provided to the subject in the temporary frame examination. A visual target presentation device for presentation was separately required. For this reason, in addition to the installation space for both apparatuses, it is necessary to secure and arrange a distance (for example, 5 meters) that can perform a distance inspection, and thus a room with a suitable size is required.

  Furthermore, in order to finely adjust the spherical power, astigmatism power, astigmatism axis angle, prism power, etc. of the eye to be examined in the temporary frame inspection, it is necessary to replace various lenses and prisms with the temporary frame and replace them. If this mounting operation cannot be performed smoothly, the temporary frame inspection will take a long time, and the physical and physical burden on the subject will also increase.

  In addition, the conventional temporary frame inspection is performed by showing a person wearing a temporary frame with a predetermined number of lenses, watching TV, reading, or looking far away. Had confirmed. However, there were some subjects who could not see both far and near without following the examiner's instructions, and there was a case where the temporary frame inspection itself was not properly performed.

  Further, when trying to perform a temporary frame inspection using an optometry apparatus as described in Patent Document 3, the temporary frame and the optometry apparatus are in contact with each other because the rotating rim of the temporary frame is formed with a thickness. It has been considered that it is difficult to suitably perform the temporary frame inspection because the safety and accuracy of the inspection may be impaired due to the collision or collision.

JP-A-8-280623 (paragraph [0002] of the specification) JP 2001-346762 A (paragraphs [0002] and [0003] in the specification) JP 2002-10981 A (Claim 1, paragraph [0018] of the specification) JP 2001-275966 A (paragraph [0016], FIG. 6)

  The present invention has been made in view of the circumstances as described above, and an optometry apparatus capable of suitably performing a temporary frame inspection without separately providing an optotype presenting apparatus that presents various optotypes to a subject. The purpose is to provide.

  In order to achieve the above object, the invention described in claim 1 includes a pair of left and right refraction measuring means including a measurement optical system for performing subjective refraction measurement and objective refraction measurement of the left and right eyes, and the pair of refraction measurement means. An optometry apparatus comprising: a driving unit that independently drives a refraction measuring unit; and a face fixing unit that fixes a subject's face when measurement is performed by the pair of refraction measuring units. The refraction measuring means includes a target presentation means for presenting the subjective refraction measurement target to the subject when performing a temporary frame inspection performed by wearing the subject with the temporary frame, and the temporary frame. Corresponding to the operation of the temporary frame inspection start means operated to start the inspection and the temporary frame inspection start means, the pair of refraction measurement means is separated from the face fixing means by a predetermined distance. Drive control hand for controlling the drive means It is characterized in that it comprises, when.

  In order to achieve the above object, the invention according to claim 2 is the optometry apparatus according to claim 1, wherein the pair of refraction measuring means is separated from the measuring optical system. It is characterized by having a focal position correcting means for correcting the deviation of the focal position.

  In order to achieve the above object, the invention according to claim 3 is the optometry apparatus according to claim 1 or 2, wherein the visual target presentation means is operated by the temporary frame inspection start means. Corresponding to this, the visual target is presented to the left and right eyes for the temporary distant frame inspection for confirming the refractive correction value of the left and right eyes to be examined at the distance.

  In order to achieve the above object, the invention according to claim 4 is the optometry apparatus according to claim 1 or 2, wherein the drive control means is operated by the temporary frame inspection start means. In response to this, the drive means is controlled to invert each of the pair of refraction measuring means by a predetermined angle. The optotype is presented to the left and right eyes for a near-use temporary frame inspection for confirming a refractive correction value for near-use of the left and right eyes while the optometry is converging.

  In order to achieve the above object, the invention according to claim 5 is the optometry apparatus according to any one of claims 1 to 4, wherein the optotype presenting means presents the optometry apparatus. It is further characterized by further comprising a target switching means operated to switch the target.

  In order to achieve the above object, the invention described in claim 6 is the optometry apparatus according to any one of claims 1 to 5, wherein the measurement optical system includes the temporary frame inspection. The optical system further includes an optical element for adding power to the left and right eye, and further includes power changing means operated to change the power to be added to the left and right eye.

  In order to achieve the above object, the invention according to claim 7 is the optometry apparatus according to claim 6, wherein the optical element is an astigmatism power added to the left and right eyes in the temporary frame examination. And a variable cross cylinder lens capable of changing the astigmatic axis angle.

  In order to achieve the above object, an invention according to claim 8 is the optometry apparatus according to any one of claims 1 to 7, wherein an operation screen for the temporary frame inspection is set in a predetermined manner. A display control means for displaying on the display means, wherein the temporary frame inspection start means, the target switching means and / or the frequency changing means are soft keys provided on the operation screen displayed on the display means; It is characterized by comprising.

  In order to achieve the above object, an invention according to claim 9 is the optometry apparatus according to any one of claims 1 to 8, wherein the pair of refraction measurement means and the face fixation are performed. The predetermined distance between the inspection frame and the pair of refraction measurement means is not in contact with the temporary frame worn by the subject whose face is fixed to the face fixing means in the temporary frame inspection. It is characterized by being.

  In order to achieve the above object, an invention according to claim 10 is the optometry apparatus according to any one of claims 1 to 8, wherein the pair of refraction measuring means and the face fixation are performed. The predetermined distance between the temporary frame and the pair of refraction measuring means when the temporary frame for wearing the temporary frame is worn on a subject whose face is fixed to the face fixing means. The drive control means corresponds to a predetermined operation, and the drive control means moves the pair of refraction measurement means positioned at the retraction distance from the test object with a face fixed to the face fixing means. The drive means is controlled so as to approach the inspection distance where the temporary frame worn by the person does not contact the pair of refraction measuring means.

  In order to achieve the above object, the invention described in claim 11 includes a pair of left and right refraction measuring means provided with a measurement optical system for performing subjective refraction measurement and objective refraction measurement of the left and right eye, An optometry having a face fixing means for fixing a subject's face when measuring by a pair of refraction measuring means, and an interval changing means for changing an interval between the pair of refraction measuring means and the face fixing means. The pair of refraction measuring means is an index presentation for presenting the subjective refraction measurement target to the subject when performing a temporary frame inspection performed by causing the subject to wear a temporary frame. A temporary frame inspection starting means that is operated to start the temporary frame inspection, and the pair of refraction measuring means and the face fixing corresponding to the operation of the temporary frame inspection starting means. The interval changing means so as to increase the interval with the means It is characterized in that comprises a drive control means for controlling, the.

  In order to achieve the above object, the invention described in claim 12 includes a pair of left and right refraction measuring means including a measurement optical system for performing subjective refraction measurement and objective refraction measurement of the left and right eye, An optometry apparatus, comprising: a face fixing means for fixing a subject's face when measuring by a pair of refraction measuring means; and a face fixing means driving means for driving the face fixing means. The refraction measurement means includes a target presentation means for presenting the subjective refraction measurement target to the subject when performing a temporary frame inspection performed by wearing the subject with the temporary frame. Temporary frame inspection start means operated to start frame inspection, and the face fixing means are separated from the pair of refraction measurement means by a predetermined distance in response to the operation of the temporary frame inspection start means. To control the driving means for the face fixing means It is characterized in that it comprises a turning control means.

  According to the optometry apparatus according to the present invention, the visual target for the subjective refraction measurement can be presented to the subject when the temporary frame inspection is performed by the visual target presenting means included in the refraction measuring means, and the temporary frame inspection is performed. Control is performed so that the refraction measuring means is separated from the face fixing means by a predetermined distance in response to the temporary frame inspection starting means being operated to start the movement. Therefore, the provisional frame inspection can be performed using the visual target used for the subjective refraction measurement without providing a separate target presentation device, and the refraction measuring means can be used for a predetermined distance during the temporary frame inspection. Therefore, the temporary frame is prevented from coming into contact with or colliding with the refraction measuring means, and the temporary frame inspection can be suitably performed.

  In addition, since the provisional frame inspection is performed by visually recognizing the target presented by the optometry apparatus, it is not necessary to instruct the subject to show the distant or near distance. Can be carried out properly.

  Further, since the temporary frame inspection can be performed using various optical elements provided in the optometry apparatus, it is not necessary to perform an operation of attaching or removing a lens to the temporary frame. Therefore, the temporary frame inspection can be performed smoothly.

  An example of an embodiment of an optometry apparatus according to the present invention will be described in detail with reference to the drawings. FIG. 1 is an external side view of the optometry apparatus of the present embodiment, and FIG. 2 is an external perspective view thereof. 3 to 11 show the configuration of the optical system provided in the optometry apparatus. FIG. 12 shows the configuration of the control system of the optometry apparatus. Further, FIG. 13 and FIG. 14 show a configuration of a display screen by the optometry apparatus. 15 and 16 show the procedure of optometry measurement executed by the optometry apparatus. FIG. 17 shows an optometry measurement procedure executed by a modification of the optometry apparatus.

  Hereinafter, the configuration of the appearance and the like of the optometry apparatus of the present embodiment will be schematically described first, then the configuration of the optical system of the optometry apparatus will be described, and then the configuration of the control system and the display screen will be described. After that, the optometry procedure executed by the optometry apparatus is described.

[Configuration of optometry apparatus]
As shown in FIG. 1, an optometry apparatus 2 according to this embodiment is used by being arranged on an optometry table 1 whose height can be adjusted up and down. The subject 4 is inspected while sitting on an optometry chair 3 provided together with the optometry table 1.

  Further, as shown in FIG. 2, a column 64s is erected on the optometry table 1, and a liquid crystal monitor 64q is provided at the upper end of the column 64s. On the liquid crystal monitor 64q, a practice screen for the subject 4 to practice the operation method of the optometry apparatus 2 is displayed.

  As shown in FIGS. 1 and 2, the optometry apparatus 2 includes a pedestal portion 5a, a drive mechanism box 5b disposed on the pedestal portion 5a, and a pair of left and right optical heads incorporating a measurement optical system to be described later. 5l and 5r, and a face receiving device 6 for fixedly arranging the face of the subject 4 at the time of examination. Here, “fixed” allows not only a state in which the face of the subject 4 is completely fixed so that the face of the subject 4 does not move, but also a displacement of the face to the extent that the eye can be measured by the optical head parts 5l and 5r. It is understood that it includes the state that is. The optical head portions 5l and 5r are supported by the pillars 5p and 5q, and are independently driven three-dimensionally by the drive mechanism box 5b. Liquid crystal monitors 64l and 64r are provided on the front surfaces of the optical head portions 5l and 5r, respectively. On the liquid crystal monitors 64l and 64r, an anterior ocular segment image and a fundus reflection image of the eye to be examined during the examination are displayed. The examiner or assistant can confirm whether or not the subject 4 is appropriately performing the examination by viewing the displayed anterior eye image.

  Here, the optical head parts 5l and 5r constitute “a pair of refraction measuring means” of the present invention, and the face receiving device 6 constitutes “a face fixing means”.

  The face receiving device 6 includes a pair of left and right support posts 6a and 6b, a forehead support 6c supported by members connected to the upper ends of the support posts 6a and 6b, and a jaw disposed below the forehead support 6c. A receiver 6d is provided. The forehead pad 6c is a member for the subject 4 to abut the forehead at the time of the inspection, and is formed in an arc shape in order to improve adhesion to the forehead, and the position thereof can be adjusted in the front-rear direction. It is configured. The chin rest 6d is a member for the subject 4 to place his / her chin at the time of examination, and is configured so that its position can be adjusted in the vertical direction by a pair of left and right knobs 6e. The subject 4 places the face on the chin rest 6c while placing the chin on the chin rest 6d so that the face is fixedly arranged to face the examination.

  The drive mechanism box 5b incorporates an XYZ drive mechanism (described later) that independently drives the columns 5p and 5q in a three-dimensional manner. As the XYZ drive mechanism, a detailed configuration thereof is omitted, but a known configuration using, for example, a pulse motor or a feed screw can be employed. Thereby, the pillars 5p and 5q, that is, the optical head portions 5l and 5r are independently driven three-dimensionally.

  Further, in the drive mechanism box 5b, there is provided a rotation drive mechanism (described later) that rotates the columns 5p and 5q independently in the horizontal direction. As this rotation drive mechanism, for example, a configuration in which a pulse motor and a gear that transmits the rotation drive of the pulse motor to each of the columns 5p and 5q can be employed. This rotational drive mechanism is configured to rotate the support columns 5p and 5q, that is, the optical head portions 5l and 5r, in the opposite directions around the eyeball rotation points of the left and right eyes of the subject 4, respectively.

  Various optical systems to be described later shown in FIGS. 3 to 7 are stored in the optical head portions 5l and 5r, respectively. The optical head portions 5l and 5r are configured to simultaneously perform objective refraction measurement and subjective refraction measurement of both eyes of the subject 4 by operating each optical system.

  The pedestal portion 5a is provided with a joystick lever (hereinafter sometimes simply referred to as a lever) 6h. A button 6g is provided above the lever 6h. The subject 4 performs an examination by appropriately operating the lever 6h and the button 6g.

(Configuration of optical system)
Next, the configuration of the measurement optical system for measuring the refractive power of the left and right eyes of the subject 4 stored in the optical head portions 5l and 5r will be described in detail. First, the measurement optical system of the optical head unit 5l for measuring the left eye of the subject 4 includes an anterior segment imaging optical system 30L, an XY alignment optical system 31L as shown in FIGS. An optical system 32L and a refractive power measurement optical system 33L are included. Similarly, the measurement optical system of the optical head unit 5r for measuring the right eye of the subject 4 includes an anterior segment imaging optical system 30R and an XY alignment optical system 31R as shown in FIGS. And a fixation optical system 32R and a refractive power measurement optical system 33R. The measurement optical system of the left-eye measurement optical head unit 5l and the measurement optical system of the right-eye measurement optical head unit 5r are configured symmetrically. Hereinafter, unless otherwise indicated, the measurement optical system of the optical head unit 5l for left eye measurement will be described.

  The anterior ocular segment imaging optical system 30L provided in the optical head unit 51 includes an anterior ocular segment illumination optical system 34 and an imaging optical system 35.

  As shown in FIGS. 4 and 5, the anterior ocular segment illumination optical system 34 is emitted from the light source 36 for illuminating the anterior segment of the left eye (examined eye EL) of the subject 4 and the light source 36. A diaphragm 36a for limiting the cross-sectional area of the luminous flux and a projection lens 37 for projecting the luminous flux that has passed through the diaphragm 36a onto the anterior eye portion of the eye EL to be examined.

  The photographing optical system 35 includes a prism P on which reflected light from the anterior eye portion of the eye EL illuminated by the anterior eye illumination optical system 34 is incident, and a light beam reflected by the reflecting surface of the prism P. Is incident on the objective lens 38, the dichroic mirror 39, the aperture 40, the dichroic mirror 41, the relay lenses 42 and 43, the dichroic mirror 44, and the CCD lens 45 that forms a light beam on the light receiving surface of the CCD 46. I have.

  The XY alignment optical system 31L is an optical system for performing alignment in the X and Y directions of the optical system of the optical head unit 51 with respect to the eye EL to be examined, and includes an alignment illumination optical system 47 that projects a light beam for alignment onto the eye EL to be examined. It includes a photographing optical system 35 as an alignment light receiving optical system that receives the reflected light. Here, the left-right direction as viewed from the subject 4 is the X direction, and the up-down direction is the Y direction. The depth direction of the optometry apparatus 2 when viewed from the subject 4 is the Z direction.

  As shown in FIGS. 3 and 4, the alignment illumination optical system 47 includes an illumination light source 48 that emits a light beam for alignment in the XY directions, a diaphragm 49 as an alignment target, a relay lens 50, and a dichroic mirror 41. A diaphragm 40, a dichroic mirror 39, an objective lens 38, and a prism P are provided.

  The fixation optical system 32L includes a liquid crystal display 53 that displays various targets (charts), a half mirror 54 that reflects light from the liquid crystal display 53, a collimator lens 55, and a prism frequency in the oblique inspection. And rotary prisms 55A and 55B for adjusting the prism base direction, a reflection mirror 56, a moving lens 57 used when the subject's eye EL is stared and fogged, relay lenses 58 and 59, and astigmatism in astigmatism examination. Variable cross cylinder lenses (VCC lenses) 59A and 59B for adjusting the power and the astigmatic axis angle, reflection mirror 60, dichroic mirrors 61 and 39, objective lens 38, and prism P are provided.

  The liquid crystal display 53 includes a visual acuity chart such as a Landolt ring for visual acuity inspection, a radiation chart for astigmatism inspection, a cross chart for oblique inspection, a red-green inspection (red green ( Various visual targets for subjective optometry such as an RG chart for RG) test) are displayed. In addition, you may use the well-known target presentation means which provides various visual targets in a turret board, and presents a visual target to test eye EL by background illumination instead of a liquid crystal display.

  The rotary prisms 55A and 55B are independently rotated by driving a pulse motor or the like. As shown in FIG. 8, when the rotary prisms 55A and 55B are rotated in the opposite directions, the prism power is continuously changed. On the other hand, when it is rotated integrally in the same direction, the prism base direction is continuously changed.

  When the above-described cross chart is presented to the eye to be examined and an oblique examination is performed, the target 71A shown in FIG. 9A is displayed on the liquid crystal display unit 53 of the optical head 5l and presented to the left eye EL. At the same time, the target 71B shown in FIG. 9B is displayed on the liquid crystal display unit 53 of the optical head unit 5r and presented to the right eye ER. When the eye to be examined EL and ER are normal eyes, as shown in FIG. 9C, the target 71A and the target 71B are normally fused, and the left and right targets intersect at the center of each. . However, when the eye to be examined has an oblique position, the left and right visual targets cross each other with a deviation from the center, or in severe cases, they are visually recognized so as not to cross each other. Accordingly, the rotary prisms 55A and 55B are rotated to measure the prism power and the base direction in which the left and right visual targets 71A and 71B appear to intersect at the center as shown in FIG. 9C.

  As shown in FIG. 10, the VCC lens 59A has a convex surface, and 59B has a concave surface, which are independently rotated by a pulse motor or the like. When the VCC lenses 59A and 59B are rotated in opposite directions, the astigmatism power is changed, and when the VCC lenses 59A and 59B are rotated integrally in the same direction, the astigmatism axis angle is changed.

  The moving lens 57 changes the sphericity added to the eye EL to be examined by moving in the optical axis direction according to the driving of a pulse motor or the like. The operator (examiner) can perform a fixation cloud on the eye EL by moving the moving lens 57 in the optical axis direction by a movement amount corresponding to the refractive power of the eye EL.

  As shown in FIG. 5, a fusion target presenting optical system 32 </ b> L ′ is provided in the transmission direction of the half mirror 54 of the fixation optical system 32 </ b> L. The fusion target presentation optical system 32L ′ includes an LED 53A that emits illumination light, a collimator lens 53B, a fusion frame chart 53D, and a total reflection mirror 53E. In the fusion frame chart 53D, as shown in FIG. 11, a square transmission window (fusion frame) 53F and a light shielding portion 53G are formed. The collimator lens 53B is provided with a diffusing surface, and the light from the LED 53A uniformly illuminates the fusion frame chart 53D.

  In the present embodiment, the fusion target presentation optical system 32L ′ independent from the fixation optical system 32L is provided, but the fusion frame 53F is displayed on the liquid crystal display 53 together with various targets. May be.

  As shown in FIG. 5, the refractive power measurement optical system 33L receives the measurement light beam projection optical system 62 that projects a light beam for objective measurement onto the eye E and the reflected light of the projection light from the eye EL. And a measuring beam receiving optical system 63.

  The measurement light beam projection optical system 62 includes a measurement light source 64 such as an infrared LED, a collimator lens 65, a conical prism 66, a ring target 67, a relay lens 68, a ring-shaped aperture 69, and a through hole in the center. A perforated prism 70 formed with 70a, dichroic mirrors 61 and 39, an objective lens 38, and a prism P are included.

  The measurement light beam receiving optical system 63 includes a prism P on which reflected light from the fundus oculi Ef of the eye to be examined EL is incident, an objective lens 38, dichroic mirrors 39 and 61, a through hole 70a of the perforated prism 70, The reflecting mirror 71, the relay lens 72, the moving lens 73, the reflecting mirror 74, the dichroic mirror 44, the CCD lens 45, and the CCD 46 are included.

(Control system configuration)
Next, the configuration of the control system provided in the optometry apparatus 2 of the present embodiment will be described with reference to the block diagram shown in FIG. The display screens shown in FIGS. 13 and 14 will be described as appropriate.

  As shown in the figure, the control system of the optometry apparatus 2 is mainly configured by a control unit 80 that controls each part of the apparatus. The control unit 80 is stored in, for example, the pedestal 5a of the optometry apparatus 2, and includes a non-volatile storage device (for example, a ROM) that stores various programs including a program for controlling the execution of an inspection procedure described later, An arithmetic control device (for example, CPU) that executes the program is included. The control unit 80 performs the inspection procedure according to the present invention by the arithmetic and control unit executing the program. The control unit 80 constitutes “drive control means” and “display control means” according to the present invention.

  A computer device (not shown) is connected to the optometry apparatus 2. This computer apparatus is used as a console of the optometry apparatus 2 and stores the examination results obtained by the optometry apparatus 2 in an integrated manner. It is also possible to adopt a configuration in which the CPU and storage device of the computer device are the control unit 80.

  The control unit 80 controls the optical head units 5l and 5r. Specifically, the control unit 80 includes an XYZ drive mechanism 81L that three-dimensionally drives the left optical head unit 51 in the XYZ directions, and a rotation drive mechanism 82L that rotationally drives the optical head unit 51 in the horizontal direction. Is connected. Similarly, the control unit 80 is connected to an XYZ drive mechanism 81R that three-dimensionally drives the right optical head unit 5r in the XYZ directions and a rotation drive mechanism 82R that rotationally drives the optical head unit 5r in the horizontal direction. Has been.

  The XYZ drive mechanism 81L, the XYZ drive mechanism 81R, the rotation drive mechanism 82L, and the rotation drive mechanism 82R constitute the “drive means” of the present invention.

  Further, the control unit 80 controls each unit in the optical head units 5l and 5r. For example, as shown in FIG. 12, the control unit 80 includes a liquid crystal display 53 in the optical head 5l, a moving lens driving unit 83L including a pulse motor that drives the moving lens 57 in the optical axis direction, and each VCC lens. A VCC lens driving unit 84L composed of a pulse motor etc. that rotationally drives 59A and 59B with the optical axis as a rotational axis, a prism driving unit 85L composed of a pulse motor etc. that rotationally drives each rotary prism 55A, 55B with the optical axis as a rotational axis, etc. Is connected.

  Similarly, the control unit 80 includes a liquid crystal display 53 in the optical head unit 5r, a moving lens driving unit 83R including a pulse motor that drives the moving lens 57 in the optical axis direction, and the VCC lenses 59A and 59B on the optical axis. Are connected to a VCC lens driving unit 84R composed of a pulse motor and the like which is driven to rotate about the rotation axis, and a prism driving unit 85R composed of a pulse motor and the like which rotates the rotary prisms 55A and 55B around the optical axis.

  Here, the liquid crystal display 53 (and the fixation optical systems 32L and 32R for projecting the display contents on the eye EL and ER to be examined) of the optical head portions 5l and 5r constitute the “target presentation means” of the present invention. Is.

  In addition to these controls, the control unit 80 controls the turning on / off of the light source 36, the illumination light source 48, the LED 53A, etc., and digital processing for images taken by the CCD 46, etc., and the measurement optical system in the optical head units 5l and 5r. Do all the control and processing related to.

  In addition, the above-described computer device connected to the optometry apparatus 2 is provided with a monitor device 90. The monitor device 90 is configured to display various screens for controlling the operation of the optometry apparatus 2 and various screens for displaying examination results and the like. Such screen display processing is controlled by the control means 80. The monitor device 90 constitutes “display means” according to the present invention.

  As shown in FIG. 12, the monitor device 90 includes a temporary frame inspection start key 91, a vision chart display key 92, a radiation chart display key 93, a cross chart display key 94, a spherical power change key 95, an astigmatism power change key 96, Astigmatic axis angle change key 97, prism degree change key 98, base direction change key 99, and the like are displayed as soft keys.

  The temporary frame inspection start key 91 is operated by the operator when performing the temporary frame inspection by the optometry apparatus 2. The visual acuity chart display key 92 is operated when an eyesight measurement chart (chart) such as a Landolt ring is presented to the eye to be examined. The radiation chart display key 93 is operated when a radiation chart for astigmatism measurement is presented to the eye to be examined. The cross chart display key 94 is operated when a cross chart for oblique measurement is presented to the eye to be examined. The spherical power change key 95 is operated when changing the spherical power added to the eye to be examined. The astigmatism power change key 96 is operated when changing the astigmatism power added to the eye to be examined. The astigmatism axis angle change key 97 is operated when changing the astigmatism axis angle of the astigmatism power added to the eye to be examined. The prism degree change key 98 is operated when changing the prism degree added to the eye to be examined. The base direction change key 99 is operated when changing the base direction of the prism power added to the eye to be examined. The control mode when each of these soft keys is operated will be described in the following explanation of the display screen.

  Here, the temporary frame inspection start key 91 constitutes “temporary frame inspection start means” of the present invention. Further, the visual acuity chart display key 92, the radiation chart display key 93, and the cross chart display key 94 constitute “target switching means” of the present invention. The spherical power change key 95, the astigmatism power change key 96, the astigmatism axis angle change key 97, the prism degree change key 98, and the base direction change key 99 constitute the “power change means” of the present invention.

  13 and 14 show an example of the configuration of the screen displayed on the monitor device 90. FIG. FIG. 13 shows a schematic configuration of a test result display screen 100 that displays test results such as complete correction values of the left and right eye to be examined EL and ER acquired by objective refraction measurement and subjective refraction measurement described later. FIG. 14 shows an outline of a confirmation screen 110 for confirming the suitability of the examination result and performing various operations in a confirmation examination for obtaining prescription values of the left and right eye EL and ER based on the complete correction value. The configuration is shown. This confirmation screen 110 is a display screen corresponding to the “operation screen” of the present invention.

  As shown in FIG. 13, on the test result display screen 100, the patient ID of the subject 4 is displayed, a column for displaying “a subjective value”, a column for displaying “an objective value”, and “glasses”. A column displaying the refractive power in the state of wearing the eye, a column displaying the “near” power, a column displaying the “PD”, that is, the interpupillary distance, a “kerato value”, ie, the cornea CL, CR of the eye EL to be examined, ER A column for displaying the shape (curvature, etc.), a column for displaying “naked eyesight”, and the like are provided. The display content of each of these fields is based on the input data of the inspection result by the optometry apparatus 2 or the inspection result by another apparatus or the like. Note that the input of the inspection result by another apparatus is performed using an input device such as a keyboard of the above-described computer apparatus, for example. When the optometry apparatus 2 is connected to another apparatus or an electronic medical record management server via a network such as a LAN, the examination result may be transmitted from the other apparatus or server and displayed.

  Further, various soft keys are provided on the inspection result display screen 100. The operator performs a desired operation by clicking each soft key with the mouse of the computer device, for example. When the “print” key 101 is clicked, the inspection result is printed out by a predetermined printer. When the “Export” key 102 is clicked, the inspection result is exported to a predetermined computer. For example, the inspection result is changed to a predetermined format, and is transmitted to and stored in an electronic medical record management server (not shown). When the “confirmation check” key 103 is clicked, a confirmation screen 110 shown in FIG. 14 is displayed. When the “end” key 104 is clicked, the process related to the examination for the subject 4 is finished.

  The confirmation screen 110 shown in FIG. 14 is displayed by clicking the “confirmation inspection” key 103 on the inspection result display screen 100 as described above. The confirmation screen 110 includes the subjective values, objective values, refractive power and visual acuity values when wearing glasses or the naked eye, and measurement optical systems of the optical head units 5l and 5r in the verification test. An optometry data display unit 111 that displays a list of frequencies added to the eye EL and ER to be examined is provided.

  Further, the confirmation screen 110 includes a frequency changing unit 112 operated to change the power to be added to the eye EL and ER to be examined, and an eye selection to be operated to select and specify the eye to be checked. Unit 113, a target selection unit 114 operated to select and specify a target to be presented to the subject's eyes EL and ER, and a right eye image for displaying an anterior ocular segment image and fundus reflection image of the right eye ER A display unit 116R and a left eye image display unit 116L that displays an anterior eye image and a fundus reflection image of the left eye EL are provided.

  The frequency changing unit 112 includes various soft keys such as an “S” key, a “C” key, an “A” key, a “+” key, and a “−” key. The “S” key is a soft key that is selectively operated (clicked) when changing the spherical power added to the eye to be examined EL and ER. The “C” key is a soft key that is selectively operated when changing the astigmatism power to be added to the eye to be examined EL and ER. The “A” key is a soft key that is selectively operated when changing the astigmatic axis angle to be added to the subject's eyes EL and ER.

  The “+” key is a soft key operated when a predetermined amount is added to the frequency or angle corresponding to the soft key selectively operated among the “S”, “C”, and “A” keys. is there. The “−” key is a soft key that is operated when the frequency or angle corresponding to the soft key selectively operated among the “S”, “C”, and “A” keys is decremented by a predetermined amount.

  For example, when the “S” key is clicked, the control unit 80 controls the moving lens driving units 83L and 83R to move the moving lens 57, and determines the spherical power of the complete correction value based on the inspection result as the eye EL. To ER. Then, the control unit 80 moves the moving lens 57 each time the “+” key is clicked, and increases the added spherical power in units of 0.25 diopters, for example. Further, each time the “−” key is clicked, the spherical power is decreased by, for example, 0.25 diopter units.

  When the “C” key is clicked, the control unit 80 controls the VCC lens driving units 84L and 84R to rotate the VCC lenses 59A and 59B, respectively. Append to ER. The control unit 80 rotates the VCC lenses 59A and 59B each time the “+” key or the “−” key is clicked, and raises or lowers the astigmatism power to be added in units of 0.25 diopters, for example.

  Similarly, when the “A” key is clicked, the control unit 80 controls the VCC lens driving units 84L and 84R to rotate the VCC lenses 59A and 59B, respectively, and sets the astigmatic axis angle of the complete correction value. . The control unit 80 rotates the VCC lenses 59A and 59B each time the “+” key or the “−” key is clicked, and rotates the astigmatic axis angle in a predetermined positive / negative direction in units of 5 °, for example.

  Thus, the “S” key, “+” key, and “−” key correspond to the spherical power change key 95 shown in FIG. Similarly, the “C” key, “+” key, and “−” key correspond to the astigmatism degree change key 96, and the “A” key, “+” key, and “−” key correspond to the astigmatism axis angle change key 97. It corresponds to.

  Although not shown in FIG. 14, soft keys corresponding to the prism degree changing key 98 and the base direction changing key 99 shown in FIG. 12 can be provided in the degree changing unit 112. For example, a prism power key that is selectively clicked when changing the prism power and a base direction key that is selectively clicked when changing the base direction are arranged in the power changing unit 112, and “+”. The value may be increased or decreased by the key and the “−” key. At this time, the control unit 80 controls the prism driving units 85L and 85R in accordance with the operation on the “+” key or the “−” key to rotate the rotary prisms 55A and 55B, so that the target prism power or the base direction is obtained. Is added to the eye EL and ER to be examined.

  Here, the moving lens 57 for adding spherical power to the eye to be examined EL, ER, the variable cross cylinder lenses 59A and 59B for adding astigmatic power in any astigmatic axis direction, and the rotary for adding any prism power in the base direction. The prisms 55A and 55B constitute “an optical element for adding power to the left and right eye” according to the present invention.

  Next, the eye selection unit 113 will be described. The eye selection unit 113 includes an “L” key, a “B” key, and an “R” key. When the confirmation examination is performed on the left and right eyes EL and ER at the same time, the operator clicks the “B” key. The control unit 80 operates the left and right optical head units 5l and 5r to display the anterior eye image or the fundus reflection image of each eye E and ER on the right eye image display unit 116R and the left eye image display unit 116L. To do. And the control part 80 performs the confirmation test | inspection of both right-and-left test eyes EL and ER according to an operator's operation.

  When performing a confirmation test on the left eye EL monocular, the operator clicks the “L” key. Correspondingly, the control unit 80 operates the left optical head unit 51 to display the anterior ocular segment image or fundus reflection image of the eye EL to be examined on the left eye image display unit 116L. And the control part 80 performs the confirmation test | inspection of the left eye EL according to an operator's operation. Similar processing is performed when a confirmation test is performed on the right eye ER monocular. The details of the confirmation inspection will be described later.

  Next, the target selection unit 114 will be described. The target selection unit 114 includes a “cross” key, an “RG” key, a “radiation” key, and a “sight” key. The “cross” key is the cross chart display key 94 shown in FIG. 12, the “radiation” key is the radiation chart display key 93, and the “sight” key is the vision chart display key 92. The “RG” key is a soft key that is clicked when the RG chart is presented to the eye to be examined EL and ER in order to perform the RG test. When any soft key of the target selection unit 114 is clicked, the control unit 80 controls the liquid crystal display 53 of the optical head units 5l and 5r to display the target target.

  A “temporary frame inspection” key 91 on the confirmation screen 110 shown in FIG. 14 is the temporary frame inspection start key 91 shown in FIG. When the temporary frame inspection start key 91 is clicked, the control unit 80 performs control for executing the temporary frame inspection on the eye to be examined EL and ER. Although details will be described later, the optometry apparatus 2 includes a distance temporary frame inspection for confirming the visual acuity when the subject's eyes EL and ER are used at a distance, and a near temporary frame for confirming the visual acuity at the near vision The test is configured to be executable. When the temporary frame inspection start key 91 is first clicked on the confirmation screen 110, the control unit 80 performs control for performing the distance temporary frame inspection, and the temporary frame inspection start key 91 is clicked again. Then, control is executed so as to shift to the near temporary frame inspection.

  It should be noted that a soft key for starting the temporary distant frame inspection and a soft key for starting the near temporary frame inspection are respectively provided on the confirmation screen 110, and by clicking each soft key, the distant / near use It is also possible to configure so that the temporary frame inspection can be selectively executed.

  The control based on the operation of the temporary frame inspection start key 91 will be specifically described. In response to the temporary frame inspection start key 91 being clicked (first time) on the confirmation screen 110, the control unit 80 first controls the XYZ drive mechanisms 81L and 81R to control the optical head units 5l and 5r. The face receiving device 6 is separated from the face receiving device 6 by a predetermined distance (that is, moved in the Z direction retracted from the subject 4). The predetermined distance is such that the prism P, which is the eyepiece of the optical heads 5l and 5r, is rotated by a rotating rim (for the temporary frame worn by the subject 4) when the subject 4 is wearing the temporary frame. The optical head portions 5l and 5r and the face receiving device 6 that do not come into contact with the reference numeral 141) in FIGS. 18 and 19 and that can present a target to the eye EL and ER to be examined during the distance temporary frame inspection. And the interval. Hereinafter, the predetermined distance is referred to as “distance inspection distance”. That is, this distance inspection distance is a distance larger than the thickness of the rotating rim of the temporary frame, and is a distance that allows the eye to be examined EL and ER to visually recognize the target via the prism P (for example, 15 mm, 20 mm, etc.). ) Is set. This distance inspection distance can be appropriately set in consideration of various conditions such as the thickness of the rotating rim of the temporary frame and the shape of the face of the subject.

  When the optical head units 5l and 5r are moved to the distance inspection distance position, the control unit 80 controls the liquid crystal display 53 to display a target (for example, Landolt) for the inspection performed first in the distance temporary frame inspection. A visual acuity chart such as a ring). At this time, the moving lens driving units 83L and 83R, the VCC lens driving units 84L and 84R, and the prism driving unit so as to add a predetermined refraction value such as a complete correction value acquired by the refraction test to the eye to be examined EL and ER. You may comprise so that 85L and 85R may be controlled.

  When the temporary frame inspection start key 91 is further clicked (second time), the control unit 80 performs control for performing the near temporary frame inspection as described above. Specifically, the control unit 80 controls the XYZ driving units 81L and 81R in response to the temporary frame inspection start key 91 being clicked again, and moves the optical head units 5l and 5r to the face receiving device 6 side. The optical head portions 5l and 5r are each rotated inward by a predetermined angle while being moved by a small distance in the (Z direction) and controlling the rotation drive mechanisms 82L and 82R. Here, the moving distance of the optical heads 5l and 5r in the Z direction is a predetermined distance for converging the eye EL and ER to be examined, and the rotating rim of the temporary frame worn by the subject 4 (FIG. 18). , Refer to FIG. 19) and secure a distance that does not contact the optical head portions 5l and 5r. A predetermined distance between the face receiving device 6 and the optical head portions 5l and 5r at this time is referred to as a “near-inspection distance”. This near inspection distance can be appropriately set in consideration of various conditions such as the thickness of the rotating rim of the temporary frame and the shape of the face of the subject, similarly to the above-described distance inspection distance. Further, the inward rotation angles of the optical head portions 5l and 5r by the rotation driving mechanisms 82L and 82R are set so as to match the PD values when the eye to be examined EL and ER are in use. In addition, the PD value at the time of near use is acquired in the process of the subjective refraction measurement as will be described later.

  The distance inspection distance and the near inspection distance between the optical heads 5l and 5r and the face receiving device 6 correspond to the “inspection distance” of the present invention.

  Furthermore, the control unit 80 controls the liquid crystal display 53 to display a target (for example, a visual chart such as a Landolt ring) related to an inspection that is first performed in the near temporary frame inspection. At this time, the moving lens driving units 83L and 83R, the VCC lens driving units 84L and 84R, and the prism are added so as to add a predetermined refractive value such as a near-use value acquired in the refraction test to the eye EL and ER to be examined. You may comprise so that the drive parts 85L and 85R may be controlled.

  Next, the target display / operation unit 115 of the confirmation screen 110 will be described. The target display / operation unit 115 displays the target selected by the target selection unit 114. For example, when the “cross” key of the target selection unit 114 is clicked, the control unit 80 displays the symbols of the cross chart on the target display / operation unit 115. Thereby, the operator can recognize which target is selected and presented to the subject's eyes EL and ER. When a visual acuity chart is presented to the subject's eyes EL and ER, such as when the “visual acuity” key of the visual target selection unit 114 is clicked, a visual acuity chart such as a Landolt ring is displayed on the visual target display / operation unit 115. An operation unit for switching the visual acuity value of the visual acuity chart to be presented is displayed. At this time, a visual acuity value (for example, 0.7, 1.0, etc.) of the presented visual acuity chart may also be displayed. The operation unit includes, for example, an “↑” key that is clicked to increase the visual acuity value of the visual acuity chart to be presented, and a “↓” key that is clicked to decrease the visual acuity value.

  When the user clicks in each area of the left eye image display unit 116L and the right eye image display unit 116R on the confirmation screen 110, the control unit 80 displays the anterior eye portion of the eye EL and ER to be examined on the clicked display units 116L and 116R. An image or a fundus reflection image (collectively referred to as an eye image to be examined) is displayed. The displayed eye image may be displayed by calling image data that has been captured and stored at the time of a refraction test, or may be displayed by performing imaging in response to a click on the display units 116L and 116L. It may be. In addition, by controlling the anterior ocular imaging optical systems 30L and 30R and displaying the real-time images of the anterior ocular segment of the eye to be examined EL and ER on the left eye image display unit 116L and the right eye image display unit 116R, It is also possible to configure so that a confirmation test can be performed while monitoring the eye EL and ER to be examined.

[Inspection procedure]
Hereinafter, an example of an examination procedure by the optometry apparatus 2 of the present embodiment having the above-described configuration will be described with reference to flowcharts shown in FIGS. 15 and 16. The flowchart of FIG. 15 shows an outline of the examination procedure by the optometry apparatus 2. In addition, the flowchart of FIG. 16 illustrates a detailed procedure of a part related to the configuration according to the present invention (that is, a configuration related to the temporary frame test) in the test procedure performed by the optometry apparatus 2. In the following description, processes other than the configuration according to the present invention will be described briefly.

(Outline of inspection procedure)
First, the outline of the examination procedure by the optometry apparatus 2 will be described with reference to the flowchart shown in FIG. First, medical record information such as the ID and name of the subject 4 is input to the optometry apparatus 2 (S1). The chart information input method may be configured such that the operator operates the console (computer device) and inputs it to a predetermined subject information input screen (not shown), or a card reader is provided in the optometry apparatus 2. It may be configured to be installed and input by causing the card reader to read the ID card of the subject 4.

  Next, the inspection mode is set (S2). For example, for subjects who perform the first examination, a mode is set in which all examinations including objective and subjective refraction examinations and temporary frame examinations are performed in a single mode. A mode is set in which the inspection is skipped and only the confirmation inspection is performed. In the present embodiment, the former mode will be described. In addition to these modes, various modes can be provided as appropriate.

  When the inspection mode is set, a practice screen for practicing operation methods in objective refraction measurement, subjective refraction measurement, and confirmation inspection (temporary frame inspection) is displayed. The subject 4 practices the input operation according to the practice screen (S3). This practice screen is displayed on, for example, a liquid crystal monitor 64q provided on the optometry table 1.

  When the practice of the input operation is completed, the subject 4 is requested to fix the face to the face receiving device 6. That is, the subject is prompted to place the chin on the chin rest 6d and to bring the forehead into contact with the forehead pad 6c. This process may be performed by a guide announcement or by an operator instructing the subject 4. When the face of the subject 4 is properly fixed to the face receiving device 6, the optical head portions 5l and 5r are aligned with the face of the subject 4, that is, alignment processing is performed (S4).

  This alignment process includes alignment in the X and Y directions for aligning the optical axes of the optical head portions 5l and 5r with the eye to be examined EL and ER, and measurement optics in the optical head portions 5l and 5r to the eye to be examined EL and ER. And alignment in the Z direction for focusing the system. The alignment in the XY directions is automatically executed by a known method using the XY alignment optical systems 31L and 31R and the XYZ drive mechanisms 81L and 81R. Further, in the alignment in the Z direction, the control unit 80 drives and controls the XYZ drive mechanism so that the optical head units 5l and 5r are optical axes OL and OR shown in FIG. It is automatically executed by controlling movement in each direction, that is, in the front-rear direction. The optical axes OL and OR correspond to the “optical axis of the measurement optical system” in the present invention.

  When the positions of the optical head parts 5l and 5r are determined by such alignment processing, the distance between the optical axes OL and OR at that time is calculated, and the PD values (interpupillary distances) of the left and right eyes EL and ER are calculated. The data is stored in the storage device of the control unit 80 or the storage device of the computer device.

  When the alignment processing of the optical head parts 5l and 5r is completed, the process proceeds to a refraction test of the eye EL and ER to be examined (S5). In this refraction test, the objective refraction measurement is first performed, and the subjective refraction measurement is performed based on the objective value acquired thereby to obtain the subjective value.

  In objective refraction measurement, the refractive power measurement optical systems 33L and 33R simultaneously measure the spherical power S, astigmatism power C, and astigmatism axis angle A of the left and right eyes EL and ER for both eyes. The measurement form is the same as the conventional one. The measured spherical power, astigmatism power, and astigmatic axis angle values (objective values) are stored in the storage device of the control unit 80 and the storage device of the computer device.

  When the objective refraction measurement is completed, the process proceeds to the subjective refraction measurement based on the objective value (S6). The subjective refraction measurement by the optometry apparatus 2 is performed for each eye first and then for both eyes. The optometry apparatus 2 has a configuration for outputting an announcement for guiding the subject 4 in the subjective refraction measurement described below, and executes an examination procedure program according to the answer of the subject 4. It is configured. By performing an operation according to the guide announcement, the subject 4 can perform an examination alone without an operator. Since the subject 4 has experienced the input operation shown in step S3 in advance, the subject can smoothly perform the following subjective refraction measurement.

  The awareness measurement for each eye is first performed from, for example, awareness measurement for the right eye ER. The subjective measurement for the right eye ER is, for example, visual acuity measurement using a visual chart such as Landolt's ring, red / green test for measuring the spherical power of the eye EL and ER precisely, and error determination by this red / green test. Is performed in the order of a + 1D blurring test performed when the test is performed, a cross cylinder test (hereinafter also referred to as a CC test) for measuring the astigmatic axis angle, and a CC test for measuring the astigmatism power. The subjective refraction measurement for the left eye EL is also performed in the same procedure.

  Here, the + 1D blur test uses empirical knowledge that when S + 1.0D (diopter) is added to the objective value obtained by objective refraction measurement, the visual acuity value decreases to about 0.5 to 0.7. The visual acuity value when S + 1.0D is added to the objective value is measured, and if the result is an assumed target visual acuity value of 0.5 to 0.7, the other visual value ( S, C, and A) are inspections that are determined to be correct. At this time, if the measured visual acuity value is less than 0.5, it is determined as weak correction, and a negative D value is added until a visual acuity value of 0.5 is obtained. On the other hand, if the visual acuity value exceeds 0.7, it is determined as overcorrection, and a positive D value is added until the visual acuity value 0.7 is obtained. The target visual acuity value is not limited to the range of 0.5 to 0.7, and can be arbitrarily set. The CC test for measuring the astigmatic axis angle and the astigmatism power is executed by adding various powers in various directions by the variable cross cylinder lenses 59A and 59B.

  When the measurement for each eye is completed, a binocular balance test for re-adjusting the awareness value of the CC test performed for each eye using the RG chart as a subjective refraction measurement for both eyes EL and ER + 1D blur test. Thereby, the result of the measurement performed for each eye is adjusted, and an eye refractive power (a subjective value) based on the subjective refractive measurement is obtained.

  When the awareness values of the left eye EL and the right eye ER are acquired, correction based on the awareness values is added to perform visual acuity measurement. Here, when the power of the spectacles worn by the subject 4 is measured by a lens meter or the like, a visual acuity test using the spectacle power may be performed. Furthermore, visual acuity measurement with the naked eye may be performed. The above subjective examination examines the visual acuity value when the subject's eyes EL and ER are used at a distance.

  When the measurement of the visual acuity value at the time of distance use is completed, the optical head portions 5l and 5r are respectively rotated inward to condense the eye to be examined EL and ER, and perform a near vision test for measuring the near vision addition, The near vision test is performed with the added near vision added. At this time, the PD values of the eye to be examined EL and ER at the time of near use are also measured.

  Further, the kerato values of the eye to be examined EL and ER are also measured as necessary.

  When the subjective refraction measurement is completed, the objective value, the subjective value, the PD value, and the like acquired by the examination are displayed on the monitor device 90 of the computer device. That is, the inspection result display screen 100 shown in FIG. 13 is displayed on the monitor device 90 (S6).

  Next, the operator selects whether or not to perform a temporary frame inspection (S7). When the temporary frame inspection is not performed (S7; N), the operator clicks the “end” key 104 on the inspection result display screen 100 (S8). The control unit 80 determines that the optometry for the subject 4 is finished in response to the “end” key 104 being clicked, and displays the initial screen such as the above-described subject information input screen on the monitor device. 90, and the optometry apparatus 2 is put into a standby state in preparation for the input of the chart information of the next subject (return to S1).

  On the other hand, when the temporary frame inspection is performed (S7; Y), the operator clicks the “confirmation inspection” key 103 on the inspection result display screen 100 (S9), and the confirmation screen 110 shown in FIG. It is displayed (S10). At this time, the control unit 80 controls the liquid crystal display unit 53 to present a landscape chart to the eye to be examined EL and ER. Further, the control unit 80 controls the moving lens driving units 83L and 83R and the VCC lens driving units 84L and 84R to set the spherical power S = 0D, the astigmatic power C = 0D, and the astigmatic axis angle A = 180 °. It has become.

  The operator causes the subject 4 to wear the temporary frame, and clicks the temporary frame inspection start key 91 on the confirmation screen 110 to start the temporary frame inspection, and operates the soft keys and the like of the subject's eyes EL and ER. The prescription value is determined by confirming the refractive correction value (S11). When the temporary frame inspection is completed, the inspection result display screen 100 shown in FIG. 13 is displayed again on the monitor device 90 (S12). On the inspection result display screen 100, the prescription value determined by the temporary frame inspection is described. The operator confirms the result of the temporary frame inspection on the inspection result display screen 100, clicks the “end” key 104 to end the inspection for the subject 4, and displays the initial screen on the monitor device 90 ( Return to S1). If the temporary frame inspection is performed again, the “confirmation inspection” key 103 may be clicked on the inspection result display screen 100 displayed in step S12.

(Inspection procedure for temporary frame inspection)
Hereinafter, the inspection procedure of the temporary frame inspection by the optometer 2 will be described in detail with reference to the flowchart shown in FIG.

  In order to perform the temporary frame inspection, the operator causes the subject 4 to wear the temporary frame (S21) and, at the same time, the “temporary frame inspection” key on the confirmation screen 110 displayed in step S10, that is, the temporary frame. The inspection start key 91 is clicked (S22). At this time, if necessary, the above-described alignment process is performed to align the measurement optical system of the optical head portions 5l and 5r with respect to the eye EL and ER to be examined. In response to the temporary frame inspection start key 91 being clicked, the control unit 80 controls the XYZ drive mechanisms 81L and 81R so as to be separated from the face receiving device 6 by the distance inspection distance described above. 5l and 5r are moved (S23). Further, the control unit 80 displays a vision chart such as a Landolt ring on the liquid crystal display 53 (S24), and controls the moving lens driving units 83L and 83R, the VCC lens driving units 84L and 84R, and the prism driving units 85L and 85R. Then, a refraction value such as a complete correction value acquired in the refraction test is added to the eye to be examined EL, ER (S25). And the confirmation process of the refraction correction value at the time of distance use and near use of the eye to be examined EL and ER is executed by the following procedure. This refraction correction value confirmation process presents various visual targets to the subject's eyes EL and ER, and responds to the appearance of the visual target when various refractive correction values are added to the subject's eyes EL and ER. This is done by confirming its visual acuity.

  The operator operates the power changing unit 112 on the confirmation screen 110, the eye selection unit 113, and the right eye image display unit 116R and the left eye image display unit 116L as necessary, so that the eye EL, ER The spherical power is confirmed (S26). At this time, if it is necessary to check the spherical power in detail, the “RG” key is clicked to present the RG chart and the inspection is performed.

  Next, the operator clicks the “radiation” key of the target selection unit 114 to present a radiation chart, and confirms the astigmatism power and the astigmatic axis angle of the eye EL and ER to be examined (S27). Further, the operator clicks the “cross” key of the optotype selecting unit 114 to present a cross chart, and confirms the prism power and the base direction of the eye to be examined EL and ER (S28). Here, in response to the “cross” key being clicked, the control unit 80 turns off the LED 53A of the fusion target presenting optical system 32L ′ and stops presenting the fusion frame to the eye EL and ER to be examined. May be. The above processing relates to the temporary distant frame inspection.

  When the distance temporary frame inspection is completed, the operator clicks the temporary frame inspection start key 91 on the confirmation screen 110 again (S29). In response to the temporary frame inspection start key 91 being clicked again, the control unit 80 controls the XYZ driving units 81L and 81R to move the optical head units 5l and 5r to the near inspection distance (S30). ), The rotation driving mechanisms 82L and 82R are controlled to invert the optical head portions 5l and 5r by a predetermined angle (S31). Further, the control unit 80 controls the liquid crystal display 53 to display a visual acuity chart such as a Landolt ring (S32), and the moving lens driving units 83L and 83R, the VCC lens driving units 84L and 84R, and the prism driving unit 85L. , 85R are controlled, and the near power obtained in the refraction test is added to the eye EL and ER to be examined (S33).

  The operator operates the power changing unit 112, the eye selection unit 113, the target selection unit 114, and the right eye image display unit 116R and the left eye image display unit 116L as necessary, on the confirmation screen 110. Then, the near eye power of the eye to be examined EL and ER is confirmed to determine the prescription value of the near eye power (S34). This completes the temporary frame inspection by the optometry apparatus 2. In order to end the temporary frame inspection, for example, an “end” key (not shown) provided on the confirmation screen 110 is clicked. When the confirmation inspection is completed, an inspection result display screen 100 describing the prescription value determined by the temporary frame inspection is displayed on the monitor device 90, as shown in step S12 of FIG.

  In addition, when acquiring images of the anterior eye part and fundus of the subject's eyes EL and ER during the temporary frame inspection, flare may occur in the image due to the reflected light from the lens attached to the temporary frame. In that case, for example, it is only necessary to prevent the reflected light from entering the measurement optical system by using a temporary frame that can be mounted with an inclined lens.

[Function and effect]
According to the optometry apparatus 2 of the present embodiment as described above, it is possible to temporarily use the optometrist presenting means (the liquid crystal display 53) of the optometry apparatus 2 itself even if the optotype presenting apparatus is not easily provided as in the prior art. A frame inspection can be performed.

  Further, in response to the start operation of the temporary frame inspection being performed, that is, when the “temporary frame inspection” key 91 on the confirmation screen 110 is clicked, the optical head units 5l and 5r are used for the distance from the face receiving device 6. Since the inspection frame is automatically separated by the inspection distance, a situation in which the temporary frame worn by the subject 4 comes into contact with or collides with the optical head portions 5l and 5r can be effectively avoided. Therefore, the safety of the subject 4 at the time of the temporary frame inspection can be ensured. In addition, since it is possible to avoid a situation in which the position of the temporary frame is shifted due to contact with the optical head portions 5l and 5r and the inspection accuracy is deteriorated, the temporary frame inspection can be suitably performed. Furthermore, a situation in which the optical device of the measurement optical system in the optical heads 5l and 5r is damaged by the collision with the temporary frame or the arrangement thereof is shifted is avoided, so that the optometry apparatus 2 is damaged. be able to.

  Further, in the temporary frame inspection, when switching the spherical power or astigmatism power to be applied to the eye EL or ER to be examined, instead of directly inserting / removing various lenses into / from the temporary frame, the measurement optical system of the optical head portions 5l and 5r is used. The frequency can be switched. Therefore, it is possible to smoothly switch the frequency in the temporary frame inspection.

  Further, in the temporary frame inspection, real-time images of the anterior eye portions of the eye EL and ER to be examined can be displayed on the left eye image display unit 116L and the right eye image display unit 116R to monitor the eye EL and ER. Therefore, it is possible to grasp whether or not the subject 4 is concentrated on the temporary frame inspection. Accordingly, the temporary frame inspection can be properly performed, and the inspection accuracy can be improved.

[Modification 1]
A modification of the temporary frame inspection processing procedure executed by the optometry apparatus 2 will be described with reference to the flowchart of FIG. In this modification, the temporary frame can be suitably mounted while the face of the subject 4 is fixed to the face receiving device 6. In addition, about the procedure similar to the flowchart of FIG. 16, while attaching | subjecting the same code | symbol, it shall keep only simple description.

  First, the operator clicks the temporary frame inspection start key 91 on the confirmation screen 110 displayed in step S10 of FIG. 15 (S22). In response to the temporary frame inspection start key 91 being clicked, the control unit 80 controls the XYZ drive mechanisms 81L and 81R to wear the temporary frame on the subject 4 fixed to the face receiving device 6. Sometimes, the optical head portions 5l and 5r are retracted to a position separated by a sufficient distance (corresponding to the "retraction distance" in the present invention) so that the temporary frame and the optical head portions 5l and 5r do not contact each other. (S41). This evacuation distance can be set to about 50 mm, for example. When the optical head portions 5l and 5r are moved to the retreat distance, the operator causes the subject 4 to wear the temporary frame (S42). When the temporary frame is worn, the operator performs a predetermined operation such as clicking the temporary frame inspection start key 91 again (S43). In response to the predetermined operation, the control unit 80 controls the XYZ drive mechanisms 81L and 81R to separate the optical head units 5l and 5r located at the retracted distance from the face receiving device 6 by a distance inspection distance. Advance to the position (S44).

  When the optical head units 5l and 5r move to the distance inspection distance position, the control unit 80 displays the visual acuity chart on the liquid crystal display 53 (S24), and the moving lens driving units 83L and 83R and the VCC lens driving unit 84L. , 84R, and the prism driving units 85L and 85R, the refraction value such as the complete correction value acquired in the refraction test is added to the eye to be examined EL and ER (S25).

  The operator operates the power changing unit 112 on the confirmation screen 110, the eye selection unit 113, and the right eye image display unit 116R and the left eye image display unit 116L as necessary, so that the eye EL, ER (S26), the "radiation" key of the target selection unit 114 is clicked to present a radiation chart, and the astigmatic power and astigmatic axis angle of the eye EL and ER to be examined are confirmed (S27). Further, the “cross” key of the target selection unit 114 is clicked to present a cross chart, and the prism power and the base direction of the eye to be examined EL and ER are confirmed (S28).

  When the remote temporary frame inspection is completed, the operator clicks the temporary frame inspection start key 91 on the confirmation screen 110 again (S29), and moves the optical heads 5l and 5r to the above-described near inspection distance (S30). ), The optical head portions 5l and 5r are inwardly rotated by a predetermined angle (S31). The control unit 80 controls the liquid crystal display 53 to display the visual acuity chart (S32), and adds the near-use value acquired by the refraction test to the eye to be examined EL, ER (S33).

  The operator operates the power changing unit 112, the eye selection unit 113, the target selection unit 114, and the right eye image display unit 116R and the left eye image display unit 116L as necessary, on the confirmation screen 110. Then, the near eye power of the eye to be examined EL and ER is confirmed to determine the prescription value of the near eye power (S34). This completes the temporary frame inspection according to the modification.

  According to the inspection procedure of this modification, the optical head portions 5l and 5r are automatically retracted to the position of the retraction distance in response to the temporary frame inspection start key 91 being operated. The temporary frame can be worn while the face is fixed to the face receiving device 6. Therefore, after the refraction measurement is completed, it is possible to shift to the temporary frame inspection as it is without performing the alignment process of the measurement optical system of the optical heads 5l and 5r with respect to the eye to be examined EL and ER. Can be achieved.

  Further, after the temporary frame is worn, the optical head portions 5l and 5r positioned at the retract distance are automatically moved to the distance inspection distance by performing the predetermined operation described above. It is possible to smoothly transition to the inspection.

[Modification 2]
Next, a second modification of the optometry apparatus 2 will be described. In this modification, when the optical heads 5l and 5r are moved to the distance inspection distance position or the near inspection distance position, the focus deviation corresponding to the movement amount is corrected, thereby correcting the inspection result. It aims to make it easier.

  The focus correction process is performed when the optical heads 5l and 5r are moved to the distance inspection distance position (step S23 in FIG. 16 and step S44 in FIG. 17) during the actual inspection. This is executed when it is moved to the position (step S30 in FIGS. 16 and 17). The focus correction process is a process performed by the control unit 80 acting as the “focus position correction unit” according to the present invention. Hereinafter, a focus correction process when the optical head units 5l and 5r are moved to the distance inspection distance will be described. The focus correction process corresponding to the near inspection distance is performed based on the same principle.

  The measuring optical system of the optometry apparatus 2 performs far-distance refraction measurement, for example, by artificially setting 5 (m). This corresponds to the fact that normal visual acuity measurement using a Landolt ring or the like is performed through a predetermined distance such as 5 (m). At this time, the focus of the measurement optical system is aligned so as to correspond to the distance of 5 (m) (by the above-described alignment in the Z direction).

  On the other hand, when performing the temporary frame inspection, the optometry apparatus 2 is configured to retract the optical head portions 5l and 5r to the distance inspection distance position as shown in step S23 of FIG. 16 and step S44 of FIG. ing. Therefore, the measurement optical system may be out of focus with respect to the subject's eyes EL and ER, and the target may be presented in a blurred manner on the subject's eyes EL and ER, or a blurred anterior segment image may be taken. The focus shift at this time does not interfere with the normal temporary frame inspection, but it may be considered that the accuracy is affected when performing a more precise temporary frame inspection. The present modification guarantees the accuracy of the temporary frame inspection by correcting such a focus shift.

  Hereinafter, the distance for refraction measurement is 5 (m) = 5000 mm, and the receding distance of the optical head portions 5l and 5r is z (mm). Further, the combined focal length of the fixation optical system 32L including the liquid crystal display 53 (the same applies to the fixation optical system 32R) is f, and the power of the eye EL to be examined is D. At this time, the moving amount x of the target displayed on the liquid crystal display 53 is expressed as follows by Newton's formula regarding the imaging relationship of the lens system.

  Since the eye EL is 1/5 (m) = 0.2 (D) in terms of pupil power, when the target is presented at a position 5 (m) from the eye EL, the position of the target is: It moves by 0.0002 × f ^ 2 from the reference position of D = 0 in the equation (1).

  When the pupil position of the subject eye EL moves on the optical axis OL by z (mm) from the reference position, the subject eye EL is 5000− from the target in order to maintain the adjustment state of 0.2 (D) described above. It is necessary to project the visual target image at the position of z (mm). Then, the frequency at the reference position of D = 0 is 1000 / (5000−z) (D). The target movement amount x ′ at this time is expressed by the following equation.

  Therefore, by moving the moving lens 57 by this x ′ (mm), the visual target is seen when the optical head portion 5l is retracted by z (mm) during the temporary frame inspection to the visual refraction measurement. It can be converted.

  For example, when the combined focal length f of the fixation optical system 32L is 30 mm and the retraction distance of the optical head portion 5l is 20 mm, the moving distance x ′ = 30 ^ 2 × [ {1000 / (5000-20)} / 1000] = 0.180 (mm).

[Modification 3]
Then, the 3rd modification of the optometry apparatus 2 is demonstrated. The above-described optometry apparatus 2 is configured such that the optical head portions 5l and 5r move during the temporary frame inspection. On the other hand, the optometry apparatus of the present modification is configured such that the face receiving apparatus 6 moves in a direction away from the optical head portions 5l and 5r. The optometry apparatus of the present modification includes a face receiving drive mechanism that drives the face receiving apparatus 6 in the Z direction, and the face receiving apparatus 6 is driven according to the control of the control unit 80. This face receiving drive mechanism constitutes the “face fixing means drive means” referred to in the present invention. Note that the amount of movement of the face receiving device 6 is the same as in the above embodiment.

  More generally, the optometry apparatus according to the present invention includes an interval changing means including a driving mechanism that drives the optical head portions 5l and 5r and / or the face receiving device 6 to change these intervals, and includes a control unit 80. However, by controlling the interval changing means in response to the temporary frame inspection start key 91 being clicked, the distance between the optical head portions 5l and 5r and the face receiving device 6 is set to the distance inspection distance described above. Or what is necessary is just to be comprised so that it may change to a near inspection distance.

  However, a configuration in which only the optical head portions 5l and 5r are moved as in the optometry apparatus 2 is suitable. That is, when the face receiving device 6 is driven to the subject 4 side, firstly, it is necessary to newly provide a driving device therefor, and secondly, there is a possibility of colliding with the subject 4. Thirdly, since various disadvantages occur such as the face of the subject 4 being fixed to the face receiving device 6 and being unable to move, a configuration in which only the optical head portions 5l and 5r are driven is preferable.

[Other variations]
Hereinafter, other modified examples related to the optometry apparatus 2 of the above-described embodiment will be described.

  In the above embodiment, the soft key on the confirmation screen 110 is used as the target switching means for switching the target to be displayed on the eye EL and ER to be examined in the temporary frame inspection. A panel, keyboard, button, lever, or the like may be applied as the target switching means. The same applies to the power changing means for changing various powers to be added to the eye to be examined EL and ER.

  The optometry apparatus 2 is configured to execute both the temporary distant frame inspection and the near temporary frame inspection, but may be configured to execute only the distant temporary frame inspection, for example.

  Moreover, although the structure which displays the test result display screen 100 and the confirmation screen 110 on the monitor apparatus of the computer apparatus connected to the optometry apparatus 2 is employ | adopted, these are displayed, for example in the display means etc. which were provided in the optometry apparatus 2 itself, for example. A screen may be displayed.

  In the second modified example in which the focus correction is performed in accordance with the movement amount of the optical head portions 5l and 5r, the movement amount and the focus correction amount of the optical head portions 5l and 5r are set for each subject. It can also be configured. For example, the amount of movement of the optical heads 5l and 5r is made variable and set for each subject, and the amount of movement is detected by a photo sensor (not shown) or the like. Based on the detected amount of movement, the amount of movement of the moving lens 57 can be calculated on the same principle as in the second modification, and the position of the moving lens 57 can be adjusted.

  Further, in response to the movement of the optical heads 5l and 5r during the temporary frame inspection, the anterior eye image or the fundus oculi displayed on the right eye image display unit 116R and the left eye image display unit 116L of the confirmation screen 110 are displayed. It is also possible to apply a configuration in which the focus position of the optical system is adjusted and controlled so that the reflected image is in focus.

  Further, means for detecting the positions of the irises of the eye EL and ER to be examined may be provided, and focusing corresponding to the movement of the optical head portions 5l and 5r may be performed based on the detection result. For example, the focal position of the optical system can be adjusted and controlled so that the iris photographed by the CCD 46 is in focus.

  In addition, the above embodiment relates to an optometry apparatus configured to perform both subjective refraction measurement and objective refraction measurement. However, only the optometric apparatus capable of performing only subjective refraction measurement or objective refraction measurement is performed. A possible optometry apparatus may be provided with the temporary frame inspection function of the present invention. When the temporary frame inspection function is applied to an optometry apparatus that can perform only subjective refraction measurement, the target for subjective refraction measurement may be used during temporary frame inspection. On the other hand, when the temporary frame inspection function is applied to an optometry apparatus capable of performing only objective refraction measurement, an optotype presenting means for presenting various targets generally used for subjective refraction measurement to the subject's eye is provided. By mounting on the apparatus, it is possible to perform temporary frame inspection.

  The target displayed on the liquid crystal display 53 at the time of the temporary frame inspection is not limited to the target for subjective refraction measurement, and may include various targets that can be used for the temporary frame inspection.

  The configuration described in detail above is merely an example of a configuration for implementing the optometry apparatus according to the present invention. Therefore, it goes without saying that various modifications can be made within the scope of the present invention.

It is a side view which shows the outline of an example of the external appearance structure of embodiment of the optometry apparatus which concerns on this invention. It is a perspective view which shows the outline of an example of the external appearance structure of embodiment of the optometry apparatus which concerns on this invention. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the measurement optical system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is a schematic block diagram which shows an example of a structure of the control system with which embodiment of the optometry apparatus which concerns on this invention is provided. It is the schematic which shows an example of a structure of the test result display screen displayed by embodiment of the optometry apparatus which concerns on this invention. It is the schematic which shows an example of a structure of the confirmation screen displayed by embodiment of the optometry apparatus which concerns on this invention. It is a flowchart which shows an example of the test | inspection procedure performed by embodiment of the optometry apparatus which concerns on this invention. It is a flowchart which shows an example of the test | inspection procedure performed by embodiment of the optometry apparatus which concerns on this invention. It is a flowchart which shows the modification of the test | inspection procedure performed by embodiment of the optometry apparatus which concerns on this invention. It is the schematic which shows an example of a structure of the temporary frame used for a temporary frame test | inspection. It is a schematic side view which shows the state in which the subject wore the temporary frame.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Optometry table 2 Optometry apparatus 3 Optometry chair 4 Subject 5l, 5r Optical head part 6 Face receiving device 6c Forehead support 6d Jaw support 46 CCD
53 Liquid crystal display 55A, 55B Rotary prism 57 Moving lens 59A, 59B Variable cross cylinder lens (VCC lens)
81L, 81R XYZ drive mechanism 82L, 82R Rotation drive mechanism 83L, 83R Moving lens drive unit 84L, 84R VCC lens drive unit 85L, 85R Prism drive unit 90 Monitor device 91 Temporary frame inspection start key ("temporary frame inspection" key)
92 Vision chart display key 93 Radiation chart display key 94 Cross chart display key 95 Spherical power change key 96 Astigmatism power change key 97 Astigmatic axis angle change key 98 Prism power change key 99 Base direction change key 100 Inspection result display screen 103 “Confirmation inspection” ”Key 104“ End ”key 110 Confirmation screen 111 Optometry data display section 112 Frequency change section 113 Eye selection section 114 Target selection section 115 Target display / operation section 116R Right eye image display section 116L Left eye image display section 140 Temporary frame 141 Rotating rim

Claims (12)

A pair of left and right refraction measuring means provided with a measurement optical system for performing subjective refraction measurement and objective refraction measurement of the left and right eyes, a drive means for independently driving the pair of refraction measurement means, and the pair of refractions An optometry apparatus having a face fixing means for fixing the face of the subject when measuring by the measuring means,
The pair of refraction measurement means each include a target presentation means for presenting the target for subjective refraction measurement to the subject when performing a temporary frame inspection performed by wearing the subject with a temporary frame,
Temporary frame inspection starting means operated to start the temporary frame inspection;
A drive control means for controlling the drive means so that the pair of refraction measurement means is separated from the face fixing means by a predetermined distance in response to the temporary frame inspection start means being operated;
An optometry apparatus comprising:   The optometry apparatus according to claim 1, further comprising a focus position correction unit that corrects a shift of a focus position of the measurement optical system based on the separation of the pair of refraction measurement units.   In response to the operation of the temporary frame inspection start unit, the visual target presenting means displays the visual target for a distance temporary frame inspection for confirming a refractive correction value at the time of distance use of the left and right eyes. The optometry apparatus according to claim 1, wherein the optometry apparatus is presented to the left and right eyes. In response to the operation of the temporary frame inspection start unit, the drive control unit controls the drive unit to invert each of the pair of refraction measurement units by a predetermined angle,
The optotype presenting means performs a near-use temporary frame inspection for confirming a refractive correction value at the time of near-use of the left and right eyes while the left and right eyes are congested by the pair of the revolved refraction measuring means. Therefore, the optometrist according to claim 1 or 2, wherein the visual target is presented to the left and right eyes.   The optometry apparatus according to any one of claims 1 to 4, further comprising a target switching unit operated to switch the target presented by the target presentation unit. . The measurement optical system includes an optical element for adding power to the left and right eyes in the temporary frame inspection,
The optometry apparatus according to any one of claims 1 to 5, further comprising power changing means operated to change the power added to the left and right eyes.   The optometry apparatus according to claim 6, wherein the optical element is a variable cross cylinder lens capable of changing an astigmatism power and an astigmatism axis angle added to the left and right eyes in the temporary frame examination. A display control means for displaying the operation screen for the temporary frame inspection on a predetermined display means;
The temporary frame inspection start unit, the target switching unit, and / or the frequency changing unit includes a soft key provided on the operation screen displayed on the display unit. The optometry apparatus according to any one of claims 1 to 7.   The predetermined distance between the pair of refraction measuring means and the face fixing means is the temporary frame and the pair worn by the subject whose face is fixed to the face fixing means in the temporary frame inspection. The optometry apparatus according to claim 1, wherein the optometry apparatus is an inspection distance that does not contact the refraction measuring unit. The predetermined distance between the pair of refraction measuring means and the face fixing means is such that when a temporary frame for wearing the temporary frame is worn on a subject whose face is fixed to the face fixing means, A retraction distance where the temporary frame and the pair of refraction measuring means do not contact,
The drive control means, corresponding to a predetermined operation, the pair of refraction measurement means positioned at the retraction distance, and the temporary frame worn by the subject whose face is fixed to the face fixing means The optometry apparatus according to any one of claims 1 to 8, wherein the driving unit is controlled to approach an inspection distance at which the pair of refraction measurement units do not contact each other. A pair of left and right refraction measuring means provided with a measurement optical system for performing subjective refraction measurement and objective refraction measurement of the left and right eye, and the face of the subject is fixed when measurement is performed by the pair of refraction measurement means. An optometry apparatus comprising: a face fixing means for adjusting the distance between the pair of refraction measuring means and the face fixing means;
The pair of refraction measurement means each include a target presentation means for presenting the target for subjective refraction measurement to the subject when performing a temporary frame inspection performed by wearing the subject with a temporary frame,
Temporary frame inspection starting means operated to start the temporary frame inspection;
A drive control means for controlling the interval changing means to increase the distance between the pair of refraction measuring means and the face fixing means in response to the operation of the temporary frame inspection starting means;
An optometry apparatus comprising: A pair of left and right refraction measuring means provided with a measurement optical system for performing subjective refraction measurement and objective refraction measurement of the left and right eye, and the face of the subject is fixed when measurement is performed by the pair of refraction measurement means. An optometry apparatus having a face fixing means for driving and a face fixing means driving means for driving the face fixing means,
The pair of refraction measurement means each include a target presentation means for presenting the target for subjective refraction measurement to the subject when performing a temporary frame inspection performed by wearing the subject with a temporary frame,
Temporary frame inspection starting means operated to start the temporary frame inspection;
A drive control means for controlling the face fixing means driving means so that the face fixing means is separated from the pair of refraction measuring means by a predetermined distance in response to the temporary frame inspection starting means being operated;
An optometry apparatus comprising:

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