JP7029259B2 - Optometry device - Google Patents

Description

The present disclosure relates to an optometry device.

An optometry unit as a measurement head equipped with an optical element for inspecting an eye to be inspected, a controller having an operation unit for operating the optometry unit and a monitor unit for displaying various image information, and a main body of the controller. On the other hand, there is known an optometry device having a configuration in which a monitor unit can rotate about a horizontal axis (see, for example, Patent Document 1).

In the invention described in Patent Document 1, the display surface of the monitor unit is a touch panel screen, and operation buttons and various image information are displayed on the touch panel screen. The touch panel screen is turned to the side facing the examiner and the side facing the subject by the rotation of the monitor unit around the horizontal axis, and when it is directed to the side facing the examiner and to the subject. The image information displayed on the touch panel screen is flipped vertically and horizontally when facing the opposite side, and the position of the button before rotation and the position of the button after rotation are apparently the same. It is controlled by the control circuit at such a position.

With such a configuration, the display surface can be directed to the side facing the examiner and the side facing the subject. Therefore, the examiner can operate the touch panel while visually recognizing the display surface not only from the side facing the subject but also from the side where the subject is present.

Further, there is also known a monitor support device of an ultrasonic diagnostic device capable of easily moving the monitor unit so that the user fits his / her own posture (see, for example, Patent Document 2). Further, there is also known an optometry device provided with a holding means for holding the monitor unit tiltably from a substantially vertical state to a horizontal state on the rear side of the measurement head (see, for example, Patent Document 3).

Japanese Unexamined Patent Publication No. 2007-68583 Japanese Unexamined Patent Publication No. 2007-37981 Japanese Patent No. 4587741

However, in the above-mentioned conventional technique, the posture of the monitor unit with respect to the measurement head is restricted, and it is difficult to visually recognize the display surface of the monitor unit from the left and right sides of the subject. Therefore, when a subject with poor eyelid opening is measured while the examiner is close to the subject and assists in opening the eyelid, the examiner can see the eyelid opening of the subject with his / her own eyes. It was difficult to visually recognize the display surface of the monitor unit at the same time while checking, which may affect the degree of freedom of the examiner's posture and the measurement efficiency.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an optometry apparatus capable of improving the degree of freedom in the posture of the monitor unit with respect to the measurement head and improving the measurement efficiency.

In order to achieve the above object, the optometry apparatus of the present invention is movable in a horizontal direction and a direction perpendicular to the base portion while facing the base portion and the subject located in front of the base portion. A monitor unit having a main body having a measuring head that is supported by the eye and performing an inspection while observing the image to be inspected via an optical system, and a monitor unit having a touch panel type display surface capable of presenting at least the image to be inspected and operation buttons. , And a monitor unit having a support portion to which the monitor portion is attached to one end and rotatably supports the monitor portion around a vertical axis and a horizontal axis, and the support portion can be attached to and detached from the main body portion. The monitor unit is characterized in that it is detachably configured with respect to the main body portion by being attached to the monitor unit .

Further, the support portion is supported by the mounting portion via a mounting portion that is detachably attached to the main body portion, a vertical axis portion that is movable around the vertical axis, and a horizontal shaft portion that rotates around the horizontal axis portion. The support arm member may be provided, and the monitor portion may be attached to the tip end portion of the support arm member. Further, the support arm member may be configured to be expandable and contractible. Further, the main body portion may be provided with a plurality of attached portions to which the mounting portions are attached.

In the optometry device of the present invention configured in this way, the monitor unit and the support unit that rotatably supports the monitor unit around the vertical axis and the horizontal axis are configured to be detachably attached to the main body unit. Therefore, the monitor unit can be attached to a desired position of the main body unit. Then, by rotating the monitor unit around the vertical axis and the horizontal axis at this mounting position, the monitor unit can be arranged at a desired position in the front-rear direction, left-right, up-down direction, or oriented in a desired direction. can. Therefore, it is possible to improve the degree of freedom in the posture of the monitor unit with respect to the measurement head and improve the measurement efficiency.

Further, in the optometry device of the present invention, the support portion is provided via a mounting portion that is detachably attached to the main body portion, a vertical axis portion that moves around the vertical axis, and a horizontal axis portion that rotates around the horizontal axis. If the support arm member is supported by the mounting portion and the monitor portion is attached to the tip of the support arm member, the movable range is expanded and the support arm member can be smoothly inserted. The monitor unit can be rotated so as to have a desired direction and posture. Further, if the support arm member is configured to be expandable and contractible, not only the distance between the monitor unit and the examiner can be adjusted more freely, but also the height of the monitor unit can be freely adjusted up and down. As a result, the visibility and operability of the monitor unit can be improved, and the degree of freedom of the posture of the examiner can be further increased. Further, if the main body portion is provided with a plurality of attached portions to which the mounting portions are attached, the monitor portion and the support portion can be attached to the desired position of the main body portion, and the examiner's eyesight and viewing can be seen. The monitor unit can be arranged at an appropriate position according to the ease and the height and posture of the examiner, and the degree of freedom of the examiner's posture and the measurement efficiency can be further improved.

It is a figure which shows the appearance of the optometry apparatus which concerns on this embodiment, (a) shows the right side view of the optometry apparatus, (b) shows the rear view of the optometry apparatus. It is a figure for demonstrating the posture of the monitor part when an examiner performs an examination from the subject side, (a) shows the right side view of the optometry apparatus, and (b) shows the front view of the optometry apparatus. .. It is a figure for demonstrating the posture of the monitor part at the time of performing an examination in the state which an examiner is located on the right side of an optometry apparatus, and shows the right side view of an optometry apparatus. It is a figure for demonstrating the posture of the monitor part at the time of performing an examination in the state which an examiner is located on the left side of an optometry apparatus, and shows the left side view of an optometry apparatus. It is a perspective view which shows the schematic structure inside the attachment part shown in FIGS. 1 to 4. FIG. It is a perspective view which shows the schematic structure of the state which the circuit board is attached to the attachment bracket plate part of the attachment part shown in FIG. It is a partial cross-sectional view which shows the schematic structure of the mounting structure of the vertical cylinder part shown in FIG. It is sectional drawing which shows the schematic structure of the mounting structure of the hollow cylinder part shown in FIG. It is a figure which shows the structure which saw the mounting part shown in FIG. 6 from the side view. It is a perspective view which shows the state which the front side cover member is attached to the circuit board shown in FIG. 6, and the lower cover member is attached to the attachment part. It is a perspective view which shows the state just before attaching the back side cover member to the attachment part shown in FIG. It is explanatory drawing which shows an example of the subject eye image displayed on the display surface and the operation button, and is the figure which shows the state at the time of measurement execution after the alignment completion. It is explanatory drawing which shows an example of the test eye image displayed on the display surface and the operation button, and is the figure which shows the state of the test eye image before the alignment completion. It is a figure for demonstrating the example in which the monitor unit is attached other than the top of the measuring head in the optometry apparatus of another different embodiment, (a) shows the right side view of the optometry apparatus, (b) is the optometry apparatus. The front view of is shown. FIG. 14 is a cross-sectional view showing a schematic configuration of a mounting structure of a support portion and a mounted portion of the monitor unit shown in FIG. It is a perspective view which shows the state which the optometry apparatus which concerns on this embodiment is arranged near a wall.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, the configuration of the optometry device 1 according to the present embodiment will be described with reference to FIGS. 1 to 4. FIG. 1 is a right side view and a rear view of the optometry apparatus 1 according to the present embodiment. 2 to 4 are views for explaining the posture of the monitor unit corresponding to the position of the examiner with respect to the optometry apparatus 1. As shown in each figure throughout the present specification, the X-axis, the Y-axis, and the Z-axis are taken, and the left-right direction (the X-axis positive direction is the right direction and the negative direction is the left direction) and the front-back direction (Y-axis positive) in FIG. The description in the specification will be described with reference to the backward direction, the negative direction is the forward direction) and the vertical direction (the Z-axis positive direction is the upward direction, and the Z-axis negative direction is the downward direction). The subject side (Y-axis negative direction) is the front of the optometry device 1, the side facing the subject (Y-axis positive direction) is the back of the optometry device 1, and the subject's right side (X-axis positive direction). Is defined as the right side of the optometry device 1, and the left side of the subject (in the negative direction on the X-axis) is defined as the left side of the optometry device 1.

As shown in FIGS. 1 to 4, the optometry device 1 according to the present embodiment includes a main body portion H and a monitor unit 30 that is detachably attached to the main body portion H. The main body portion H includes a base portion 2 and a measurement head 3, and is covered with a cover member 1a. Further, the main body portion H is provided with a chin receiving portion 4 in front (front) of the base portion 2, and a forehead support 5 integrally formed with the chin receiving portion 4 is provided on the upper portion of the chin receiving portion 4. It is provided. The subject of the optometry device 1 according to the present embodiment faces the optometry device 1 while sitting on a chair or the like provided in front (front) of the optometry device 1, and puts a jaw on the jaw receiving portion 4. The patient is inspected with the forehead applied to the forehead 5.

As shown by the broken lines in FIGS. 1 to 5, a known optical system 6 for observation / photographing is provided inside the measurement head 3. With this optical system 6, the anterior segment of the subject, the cornea of the subject, the fundus, and the like can be observed and photographed.

As shown in FIG. 1, a light source 7 for illuminating the anterior eye portion is arranged in an annular shape on the front surface of the measurement head 3. The light source 7 is also used as a measurement light source for measuring the shape of the cornea.

As shown by the broken line in FIGS. 1 to 4, the base portion 2 is provided with a known drive mechanism / drive circuit 8 for driving the measurement head 3. For example, a stepping motor is used for the drive unit of the drive mechanism / drive circuit 8.

By operating the monitor unit 10 described later, the measurement head 3 is horizontal to the base unit 2 by the drive mechanism / drive circuit 8, that is, in the front-rear and left-right directions (Y-axis direction and X-axis direction), and is perpendicular to the horizontal direction. It is driven in the vertical direction, that is, in the vertical direction (Z-axis direction). As a result, the measurement head 3 is movably supported in the horizontal direction and the vertical direction with respect to the base portion 2, respectively.

The monitor unit 30 includes a monitor unit 10 for operating the measurement head 3 and a support unit 11 for supporting the monitor unit 10. 1 to 4 show a state in which the monitor unit 30 is squeezed by the top 9 of the measurement head 3.

Hereinafter, the components of the monitor unit 30 will be described in detail with reference to FIGS. 5 to 11. As shown in these figures, the support portion 11 is mainly composed of a vertical bearing member 12 made of sheet metal and a horizontal bearing member 13 made of sheet metal. The vertical bearing member 12 is roughly composed of a pedestal portion 12a and a pair of mounting portions 12b and 12b.

The pair of mounting portions 12b and 12b are provided on both sides of the pedestal portion 12a so as to project in a flange shape. On the rear side of the top portion 9, a pair of rail-shaped attached portions 40, 40 extending in the X direction are provided on the surface of the cover portion 1a in a U-shape in a side view as shown in FIGS. 5 and 7. The monitor unit 30 can be attached to the top portion 9 by inserting and engaging the attachment portions 12b and 12b from the ends of the attached portions 40 and 40 in the pair of attached portions 40 and 40.

The attached portions 40, 40 are provided at a plurality of locations of the optometry device 1 in addition to the rear side of the top 9 of the measurement head 3. In the present embodiment, the attached portions 40 and 40 are also provided in the middle and the front of the top 9 of the measuring head 3.

In addition to this, the mounted portions 40, 40 may be provided on the left and right side surfaces and the back surface side of the measuring head 3, and the monitor unit 30 may be mounted on the outer peripheral surface of the measuring head 3. Further, the attached portions 40 and 40 may be provided on the left and right side surfaces and the back surface of the base portion 2 and on the base portion 2a of the base portion 2, respectively, and the monitor unit 30 may be attached to the outer peripheral surface of the base portion 2. Further, the attached portions 40 and 40 may be provided on the upper part of the forehead pad 5, and the monitor unit 30 may be attached to the forehead pad 5.

A vertical cylinder portion 14 as a vertical axis portion is welded and fixed to the pedestal portion 12a by, for example, welding means. As shown in FIGS. 5 and 6, the horizontal bearing member 13 is composed of a horizontal plate portion 13a and a pair of bearing plate portions 13b and 13b.

The pair of support plate portions 13b, 13b are erected from the horizontal plate portion 13a. As shown in FIG. 6, a circular opening 13c is formed in the center of the horizontal plate portion 13a. The vertical tubular portion 14 is inserted through the circular opening 13c.

The vertical cylinder portion 14 is provided with a stepped portion 14a on the outer periphery thereof as partially enlarged in FIG. 7, and a through hole 14b is provided inside the vertical cylinder portion 14. The circular opening 13c of the horizontal plate portion 13a is inserted into the through hole 14b in the vertical tubular portion 14. Further, the friction ring plate 15 is inserted into the vertical cylinder portion 14 so as to sandwich the horizontal plate portion 13a, and the retaining ring member 15'is mounted so as to sandwich the friction ring plate 15 and the horizontal plate portion 13a. To.

The horizontal plate portion 13a is supported by the vertical cylinder portion 14 by the retaining ring member 15'. The horizontal plate portion 13a is made rotatable by receiving an appropriate force in the axial direction of the vertical cylinder portion 14 while receiving an appropriate pressure in the vertical axis direction by the retaining ring member 15'and the friction ring plate 15. It is possible to maintain the stopped state at an appropriate position in the direction around the vertical axis.

Further, as shown in FIGS. 5 and 6, the support arm member 13d is rotatably supported on the support plate portions 13b and 13b. The support arm member 13d is mainly composed of a pair of arm plate portions 13e and 13f and a mounting bracket plate portion 13g.

The arm plate portion 13e is provided with a horizontal shaft portion 13h. A circular opening 13j is formed in the arm plate portion 13f. The horizontal shaft portion 13h is rotatably supported by one of the support plate portions 13b in the direction around the horizontal axis. A known torque hinge member is used for the horizontal shaft portion 13h. With this torque hinge member, it is possible to adjust the rotational power around the horizontal axis.

On the other side of the support plate portion 13b, a circular opening 13k facing the circular opening 13j is formed. As shown in FIGS. 5 to 7, a hollow tubular portion 19 is inserted through the circular openings 13j and 13k. The hollow cylinder portion 19 is fixed to the other side of the support plate portion 13b, and the support arm member 13d is rotatable around the horizontal axis by the hollow cylinder portion 19 and the horizontal shaft portion 13h.

As shown in FIG. 8, the hollow tubular portion 19 is formed with annular grooves 20 and 20 at intervals in the axial direction thereof, for example. C-shaped retaining rings 21 and 21 as axial retaining ring members are mounted on the annular grooves 20 and 20. As a result, the hollow cylinder portion 19 is prevented from coming off in the axial direction with respect to the support plate portion 13b.

A resin bearing flange member 22 is inserted into the hollow cylinder portion 19. The support arm member 13d is rotatably slidably contacted with the bearing flange member 22 by receiving an appropriate force. In FIG. 8, reference numeral 13f'is a bent plate portion bent and formed on the arm plate portion 13f. The circular opening 13j is formed in the bent plate portion 13f', and the arm plate portion 13f is rotatably supported by the hollow tubular portion 19 via the bent plate portion 13f'.

As shown in the enlarged view of FIGS. 5 and 9, a pair of protrusions 13m and 13m are formed on the support plate portion 13b that rotatably supports the hollow cylinder portion 19 at intervals in the horizontal axis direction. ing. As shown in FIG. 9, the open end portions 21a and 21a of the C-shaped retaining ring 21 are arranged between the protrusion 13m and the protrusion 13m.

By arranging the open ends 21a and 21a of the C-shaped retaining ring 21 in the hollow cylinder portion 19, the rotation of the hollow cylinder portion 19 in the horizontal axis direction is prevented, and the durability of the hollow cylinder portion 19 is improved. It is planned.

A cable 16 drawn from the monitor portion 10 is inserted into the through hole 19a of the hollow cylinder portion 19 and the through hole 14b of the vertical cylinder portion 14. As a result, the cable 16 does not interfere with the measurement, and further, it is possible to prevent the cable 16 from being twisted due to the rotation operation of the monitor unit 10.

A connector 16a is provided at the tip of the cable 16. As shown in FIG. 7, for example, by inserting this connector 16a into the insertion port 9a provided between the attached portions 40, 40 of the top portion 9 of the measurement head 3, the monitor unit 10 and the measurement head 3 The monitor unit 10 is supplied with power from the main body unit H, which can be electrically connected to the monitor unit 10. Further, this enables communication of data and commands between the control circuit unit 24 of the monitor unit 10 and the control unit of the measurement head 3.

Examples of the cable 16 include an HDMI (registered trademark) cable, a DVI cable, a DisplayPort cable, and a USB cable.

The insertion port 9a into which the connector 16a is inserted is not only between the attached portions 40 and 40 provided on the top 9 of the measuring head 3, but also each attached portion provided on the measuring head 3, the base portion 2, the forehead pad 5, and the like. It may be provided between 40 and 40. Further, it is not necessary to provide the insertion port 9a for each of the attached portions 40 and 40, and as long as the cable 16 can reach, the insertion port 9a may be provided at each of the front, rear, left and right positions of the main body portion H.

The communication between the monitor unit 10 and the measurement head 3 is not limited to wired communication, and may be wireless communication such as Wi-Fi (registered trademark) or Bluetooth (registered trademark). In the case of wireless communication, it is not necessary to provide the insertion port 9a in the main body H, and it is possible to save the trouble of connecting the cable 16.

Further, in the case of wireless communication, it is not necessary to provide through holes 14b and 19a through which the cable 16 is inserted in the vertical cylinder portion 14 and the hollow cylinder portion 19. Further, even when the cable 16 is used, it is not always necessary to provide the through holes 14b and 19a, and the cable 16 may be arranged outside the support portion 11. In these cases, it is not necessary to provide circular openings 13j and 13k on the other side of the arm plate portion 13f and the support plate portion 13b, or to use the hollow cylinder portion 19, and the arm plate portion 13f and its support structure can be used as the arm plate portion. The structure can be the same as that of 13e and its support structure. Therefore, the vertical bearing member 12 and the horizontal bearing member 13 can have a simpler structure.

As shown in FIGS. 5, 6 and 8, the mounting bracket plate portion 13g is arranged so as to straddle the pair of arm plate portions 13e and 13f. As shown in FIG. 10, a circuit board 23 is provided on the mounting bracket plate portion 13g. A control circuit unit 24 is provided on the back side of the circuit board 23, and a monitor unit 10 made of a liquid crystal display is provided on the front side thereof. As a result, the monitor unit 10 is attached to the tip of the support arm member 13. Further, the monitor unit 10 has a display surface 25 as shown in FIGS. 1 (b), 2 (b), 3 and 4.

The angle formed by the mounting bracket plate portion 13g and the pair of arm plate portions 13e and 13f is an obtuse angle. That is, since the angle between the monitor unit 10 and the support arm member 13e is an obtuse angle, the posture of the monitor unit 10 can be changed from the back side facing the examiner to the front side facing the examiner without any trouble. Can be done.

As shown in FIG. 5, the arm plate portion 13e and the support plate portion 13b are provided with detection sensors 25a and 25b for detecting the rotation of the monitor portion 10 around the horizontal axis. The detection sensors 25a and 25b are configured to be turned on, for example, when the monitor unit 10 is in the horizontal state, and turned off when the monitor unit 10 exceeds a predetermined angle from the horizontal state.

The control circuit unit 24 cooperates with the detection sensors 25a and 25b, and the monitor unit 10 is rotated around the horizontal axis, and the display surface 25 is turned upside down before and when the display surface 25 is turned upside down. It is controlled so that the apparent positions of the image and the operation buttons are the same and the image information displayed on the display surface 25 is flipped vertically and horizontally.

For example, when the control circuit unit 24 detects the rise and fall of the output signal by the detection sensors 25a and 25b, the control circuit unit 24 controls so that the image information on the display surface 25 is flipped vertically and horizontally. The display surface 25 is a touch panel type on which at least an image to be inspected and an operation button are presented. Details of the image to be inspected and the operation buttons displayed on the display surface 25 will be described later.

Further, a gyro sensor, an acceleration sensor, or the like may be used as the detection sensor to detect the mounting position and posture of the monitor unit 30 with respect to the measurement head 3 and the base portion 2. The control circuit unit 24 adjusts the apparent position of the image to be inspected and the operation button and the direction of the image information according to the mounting position and posture of the monitor unit 30 detected by these detection sensors, and displays the image on the display surface 25. indicate.

As shown in FIGS. 10 and 11, the front cover frame member 26 is attached to the front side of the circuit board 23 by a fixing member such as a screw. As a result, the peripheral portion of the circuit board 23 is decorated. Note that FIG. 10 shows the state before the front cover frame member 26 is attached. Further, as shown in FIG. 10, the mounting bracket plate portion 13g of the support arm member 13d is provided with a lower cover member 27 that covers the back side and the lower side thereof.

The lower cover member 27 has a lower cover portion 27a, a mounting arm portion 27b, and a back covering portion 27c. The lower cover member 27 is attached to the mounting bracket plate portion 13g by a fixing means such as a screw to the mounting arm portion 27b. Note that FIG. 10 shows the state after the lower cover member 27 is attached.

As shown in FIG. 11, a back side cover member 28 that covers the back side of the circuit board 23 is attached to the back side of the circuit board 23 by a fixing member such as a screw. The back cover member 28 has a covering portion 28a that covers the supporting portion 11. As a result, the back side of the circuit board 23 and the side surface portion of the support portion 11 are decorated. Note that FIG. 11 shows a state before the back side cover member 28 is attached to the circuit board 23.

Here, the display surface 25 has a rectangular shape as shown in an enlarged manner in FIG. The display surface 25 is provided with a display area 25c such as an image to be inspected and an operation button display area. In the display area 25c such as an image to be inspected, a rectangular target area mark 25g and a minimum pupil diameter determination mark 25h are displayed in the center of the screen. The operation button display area is provided on both the left and right sides of the display area 25c for the image to be inspected and the like and the lower side of the display area 25c for the image to be inspected and the like so as to face the display surface 25.

In the operation button display area, a keyboard button B1, an R button B2, a jaw support vertical movement button B3, and a measurement mode button B4 are arranged in a display area 25d on the left side of the display surface 25. A setup button B5, an L button B6, a measurement head front / rear button (Z direction button) B7, a start button B8, and a manual / auto switching button B9 for moving the measurement head 3 back and forth are arranged in the display area 25e on the right side of the display surface 25. Has been done.

Cataract button B10, target image button B11, corneal diameter button B12, print button B13, graphic print button B14, observation image display button B15, and all measured value clear button B16 are arranged in the lower side display area 25f toward the display surface 25. Has been done.

The keyboard button B1 is used to input the patient's ID, and the measurement mode button B4 is used to switch to any of the measurement modes of reflex (eye refractive power), kerato (corneal shape), and reflex / kerato. The R button B2 is used to select the right eye, the L button B6 is used to select the left eye, the start button B8 is used to start the measurement in manual mode, and the setup button B5 is the setup screen. Is used to display.

The cataract button B10 is used when there is a cataract or the like and a measurement error is likely to occur, and the target image button B11 is used when displaying the stored measurement target on the display surface 25. The corneal diameter button B12 is used to switch to a mode for measuring the diameter of the cornea.

The print button B13 is used to print out the measurement result and to feed the paper, and the graphic print button B14 is used to print out the figure indicating the refraction state. The observation image display button B15 is used to display the observation image, and the all measured value clear button B16 is used to clear all the measured values.

The jaw support vertical movement button B3 is used to move the height of the jaw support portion 4 up and down to adjust the height of the subject's eye. The measurement head front / rear button (Z direction button) B7 is used to drive the measurement head 3 in the front-back direction with respect to the eye to be inspected. The minimum pupil diameter determination mark 25h is used to stop the measurement when the pupil diameter is equal to or less than the minimum pupil diameter determination mark 25h.

In the display area 25c such as the image to be inspected, in addition to the image of the anterior eye portion under observation, characters, symbols, codes and the like related to the measurement result and other examinations, as well as images such as figures are appropriately displayed. In FIG. 12, the front eye image Gf of the subject and the measurement results S, C, and A are displayed. In FIG. 12, Gf'is an iris image, Gf' is a pupil image, P1 is a corneal bright spot image, and P2 is an alignment index image.

As shown in FIG. 13, the control circuit unit 24 corresponds to the touched portion tp when the examiner touches the display area 25c such as the eye to be inspected with a finger or the like in the observation mode of the anterior eye image Gf, for example. The measurement head 3 is driven up, down, left and right so that the image portion to be imaged is located at the center G0 of the screen. As a result, the pupil image Gf "of the eye image to be inspected is controlled to be located at the center of the screen.

For example, the control circuit unit 24 calculates a distance L on the screen from the screen center G0 to the touch point tp, and drives and controls the left-right direction stepping motor and the vertical direction stepping motor based on this distance L. By this drive control, the measurement head 3 is moved up, down, left and right (Z-axis direction and X-axis direction) with respect to the eye to be inspected.

Here, the control circuit unit 24 drives the stepping motor so that the measurement head 3 is driven at high speed by the first touch and is driven at low speed by the second touch. This is because, at the time of the first touch, the distance between the screen center G0 and the pupil center PDO is large, and it is desirable to drive at high speed in order to speed up the measurement. On the other hand, at the time of the second touch, it is considered that the distance between the screen center G0 and the pupil center PDO is small, and the measurement head 3 is controlled so that the pupil center PDO is accurately within the target area mark 25 g. This is because low speed drive is desirable.

When the pupil center PDO is located near the target area mark 25g and the corneal bright spot image P1 is detected, the control circuit unit 24 is based on the distance between the detection position of the corneal bright spot image P1 and the screen center G0. The measurement head 3 is automatically driven in the vertical and horizontal directions (Z-axis direction and X-axis direction), and the measurement head 3 is moved in the front-back direction (Y-axis direction) so that the corneal bright spot image P1 is in focus. Drive. Then, when the corneal bright spot image P1 enters the target area mark 25 g and the output value of the corneal bright spot image P1 exceeds a predetermined value, the measurement is automatically executed.

Next, control of displaying an image on the display surface 25 by the control circuit unit 24 when the monitor unit 30 is attached to the top 9 of the measurement head 3 and the posture is changed will be described with reference to FIGS. 1 to 4. The monitor unit 10 is rotated forward around the horizontal axis so that the monitor unit 10 changes from the posture shown in FIG. 1 to the posture shown in FIG. The control circuit unit 24 is provided so that even when the monitor unit 10 is turned upside down in this way, the apparent position of the image to be inspected and the operation button is the same as before it is turned upside down (state in FIG. 1). In addition, the image information displayed on the display surface 25 is controlled to be flipped vertically and horizontally. As a result, the display surface 25 in the posture of the monitor unit 10 shown in FIG. 1 and the display surface 25 in the posture shown in FIG. 2 are apparently the same as shown in FIGS. 12 and 13.

In each example of FIG. 2, since the display surface 25 of the monitor unit 10 faces in the direction facing the subject (front), the examiner is standing behind the subject while assisting the subject. It is convenient because the measurement work can be performed, and the measurement efficiency is also improved.

The monitor unit 30 may be removed and attached to the middle or front of the top 9 as shown by a virtual line in FIG. In this way, the position where the monitor unit 30 is attached can be changed in the Y-axis direction. Therefore, the monitor unit 10 can be arranged at a position and angle at which it is easy to visually recognize the display surface 25 and operate the touch panel according to the eyesight of the examiner, the length of the arm, the posture, and the like. The degree of freedom of posture is improved, and convenience and measurement efficiency can be improved.

Further, when the monitor unit 10 in the posture shown in FIG. 2 is rotated counterclockwise around the vertical axis, the monitor unit 10 is in a posture facing the right side (positive direction on the X-axis) as shown in FIG.

Further, when the monitor unit 10 in the posture shown in FIG. 3 is rotated around the horizontal axis, the monitor unit 10 is in a posture facing the left side (X-axis negative direction) as shown in FIG. In this state, since the monitor unit 10 is arranged at a position lower than that of FIG. 3 in the vertical direction (Z-axis direction), the monitor unit 10 can be operated from a position lower than that of FIG. Further, the monitor unit 10 is turned upside down by changing from FIG. 3 to FIG. 4, but the display surface 25 and FIG. 4 are shown in the posture of the monitor unit 10 shown in FIG. 3 under the control of the control circuit unit 24. It looks the same as the display surface 25 in the posture.

The monitor unit 10 in the posture shown in FIG. 2 is rotated clockwise around the vertical axis, or the monitor unit 10 in the posture shown in FIG. 3 is rotated 180 ° around the vertical axis. Can be in a posture facing the left side (negative direction on the X-axis) (that is, a posture symmetrical with respect to FIG. 3 and the YY plane). Further, when the monitor unit 10 is rotated about the horizontal axis from this state, the monitor unit 10 is oriented toward the right side (X-axis positive direction) (that is, a posture symmetrical with respect to FIG. 4 and the YY plane). ).

As shown in the examples of FIGS. 3 and 4, when the display surface 25 of the monitor unit 10 is directed to the right side of the measurement head 3 when viewed from the subject, or the display surface 25 of the monitor unit 10 is directed to the left side of the measurement head 3. It is convenient because the examiner can perform the measurement work while standing on the right side or the left side of the optometry device 1 or the measurement work while sitting on the right side or the left side of the optometry device 1. , Measurement efficiency is also improved. More specifically, for example, the examiner is located next to the subject, assists in opening the eyelids while looking at the subject's eyes, and operates the touch panel by looking at the monitor unit 10. Can be done.

Further, as shown by a virtual line in FIG. 2, when the monitor unit 30 is attached to the middle or the front of the top portion 9, the monitor unit 10 is rotated counterclockwise or clockwise around the vertical axis in the same manner as described above. And, it can be in a posture facing the right side or the left side. By further rotating the monitor unit 10 around the horizontal axis from these states, the posture can be set to face the left side or the right side. As a result, the position of the monitor unit 10 can be adjusted according to the eyesight of the examiner, and the monitor unit 10 can be arranged at a desired position according to the posture of the examiner. The degree of freedom of posture is improved.

Further, although FIGS. 1 to 4 show an example in which the monitor unit 30 is attached to any position of the top portion 9 of the measurement head 3, the monitor unit 30 can be attached to a position other than the top portion 9.

An example in which the monitor unit 30A is attached to other than the top portion 9 will be described using the optometry apparatus 1A of another different embodiment shown in FIGS. 14 and 15. This optometry device 1A has the same basic configuration as the optometry device 1 shown in FIG. 1 and the like, but the support portion 11A for attaching the monitor unit 30A to the main body portion H is further simplified.

As shown in FIGS. 14 and 15, the support portion 11A of the present embodiment is mainly composed of a vertical bearing member 120 and a horizontal bearing member 130. Further, attached portions 40A to which the support portion 11A is attached are provided at a plurality of locations of the main body portion H.

As shown in FIG. 15, the vertical bearing member 120 has a cylindrical screw-in rotary sleeve 121 as a mounting portion that is screwed into and mounted on the mounted portion 40A of the main body portion H, and a vertical axis rotation with respect to the screw-in rotary sleeve 121. A cylindrical connecting body that is inserted into a vertical cylinder portion 122 as a rotatably provided vertical shaft portion, a screw-in rotary sleeve 121, and a vertical cylinder portion 122, and rotates relative to these in a vertical axis. It is configured as 123. By rotating the vertical cylinder portion 122 around the vertical axis with respect to the screw-in rotary sleeve 121, the monitor portion 10 can be rotated around the vertical axis. Further, by screwing the screw-in rotary sleeve 121 into the attached portion 40A of the main body portion H, the monitor unit 30A can be easily attached to the main body portion H.

The screw-in rotary sleeve 121 is provided with a screw hole portion 121a having a screw groove screwed to the outer periphery of the mounted portion 40A at one end of the cylinder, and an insertion hole 121b through which the cable 116 is inserted at the other end. The vertical cylinder portion 122 is provided with a bearing hole 122a parallel to the horizontal direction at one end of the cylinder, and an insertion hole 122b through which the cable 16 is inserted at the other end. The side surface of the vertical cylinder portion 122 is also provided with an insertion hole for drawing the cable 116 drawn from the monitor portion 10 into the inside.

The cable 116 pulled out from the monitor unit 10 is drawn into the vertical cylinder portion 122 from the insertion hole provided on the side surface of the vertical cylinder portion 122, is inserted into the insertion hole 122b and the insertion hole 121b, and is screwed into the rotary sleeve 121. It is contained. A connector 116a'is provided at the tip of the cable 116.

The attached portion 40A has a cylindrical threaded portion 41 having a threaded groove on the outer periphery thereof. At both ends of the cylinder of the threaded portion 41, an insertion hole 41a for inserting the connector 116a'of the cable 116' drawn out from the measurement head 3 and a connector 116a' of the cable 116 pulled out from the monitor portion 10 side are inserted. An insertion hole 41b is provided.

Further, the attached portion 40A is embedded in the cover member 1a, and the rotary sleeve 121 is screwed into the attached portion 40A via the attachment hole 1b opened in the cover member 1a, or the connector 116a'and the monitor portion. It can be connected to the connector 116a on the 10 side. The attached portion 40A is, for example, the rear, middle, front of the top portion 9, the left and right side surfaces and the back side of the measurement head 3, the left and right side surfaces and the back surface of the base portion 2, on the base portion 2a of the base portion 2, and further, the forehead pad 5. It is installed on the upper part. Since the forehead pad 5 is not covered with the cover member 1a, the attached portion 40A is provided on the outer surface of the forehead pad 5.

By connecting the connector 116a of the cable 116 from the monitor unit 10 side and the connector 116a'of the cable 116'from the measurement main unit H side, the monitor unit 10 and the measurement head 3 can be electrically connected. can. In this embodiment, since the Type-C cables 116, 116'and the connectors 161a, 116a' are used, the connection structure with the support portion 11 and the main body portion H can be made more compact. The monitor unit 10 and the measurement head 3 may be wirelessly communicated with each other. In this case, it is not necessary to provide insertion holes 121b, 122b and the like for connecting and wiring the cable 16, and the support unit 11A and the like are used. The structure can be further simplified.

The horizontal bearing member 130 is composed of a horizontal shaft portion 131 and a support arm member 132 that projects vertically from both ends of the horizontal shaft portion 131. The horizontal shaft portion 131 is rotatably inserted in the bearing hole 122a of the vertical cylinder portion 122 in the horizontal direction. A known torque hinge member is used for the horizontal shaft portion 131. With this torque hinge member, it is possible to adjust the rotational power around the horizontal axis. The monitor portion 10 is fixed to the tip of the support arm member 132 on the protruding side.

As a result, the monitor unit 10 can be rotated around the horizontal axis via the support arm member 132 with the horizontal axis unit 131 as the rotation axis. Further, by rotating the vertical cylinder portion 122 around the vertical axis, the monitor portion 10 can be rotated around the vertical axis together with the support arm member 132.

In the optometry apparatus 1A having the above-described configuration, the connector 116a on the monitor unit 10 side is connected to the connector 116a'of the desired attached portion 40A provided at a plurality of locations of the main body portion H. Next, the monitor unit 30A can be attached to the attached portion 40A by screwing the screwed rotary sleeve 121 around the outer circumference of the attached portion 40A. Then, by rotating the monitor unit 10 around the vertical axis and the horizontal axis in the same operation as in the above embodiment, the monitor unit 10 can be arranged in a desired posture.

In the example shown in FIG. 14, the monitor unit 30A is mounted on the forehead rest 5 other than the top 9 of the measurement head 3. As a result, the monitor unit 10 can be arranged at a position where the line of sight is higher than when it is attached to the measurement head 3. Therefore, for example, even from behind the subject, the display surface 25 can be visually recognized and the touch panel can be operated without being obstructed by the subject's head, and the degree of freedom of the examiner's posture is improved. Convenience and measurement efficiency can be improved.

Further, as shown by virtual lines in FIGS. 14A and 14B, the monitor unit 30 is mounted on the outer peripheral surface of the base portion 2, the outer peripheral surface of the measurement head 3, and the base portion 2a of the base portion 2. You can also do it. As a result, the monitor unit 10 can be arranged at a position lower than when the measurement head 3 is attached to the top portion 9 or the forehead pad 5. Therefore, for example, a short examiner or an examiner in a bent or sitting state can operate the touch panel while visually recognizing the examinee and the display surface 25 from below.

Further, even when the monitor unit 30 is mounted on the outer peripheral surface of the base portion 2, the measurement head 3, or the base portion 2a, the monitor unit 10 is rotated around the vertical axis and the horizontal axis, so that the posture and line of sight of the examiner can be seen. The display surface 25 can be arranged at a desired angle or direction according to the height of the display surface 25 or the like.

Further, when the monitor unit 30A is attached to the base portion 2, the base portion 2a, and the forehead pad 5, even if the measurement head 3 moves in the horizontal direction or the vertical direction, it is not affected by the monitor unit 30A, and the touch panel can be operated more. It becomes easier to perform, and operability and measurement efficiency can be improved.

Further, as another different embodiment, the length from the base to the tip of the support arm member 13d of the support portion 11 and the length of the support arm member 132 of the support portion 11A may be further lengthened. As a result, the display surface 25 of the monitor unit 10 can be brought closer to the examiner regardless of whether the examiner sits down or stands up, which is convenient for touch panel operation and measurement. Efficiency is also improved.

As a further different embodiment, the support arm members 13d and 132 can be flexibly configured so that the length from the base to the tip of the support arm members 13d and 132 can be freely changed. As a result, not only the distance between the display surface 25 of the monitor unit 10 and the examiner can be adjusted more freely, but also the height of the monitor unit 10 can be freely adjusted up and down. As a result, the visibility of the display surface 25 and the operability of the touch panel can be improved, the degree of freedom of the posture of the examiner can be further increased, and the convenience and the measurement efficiency can be further improved.

Further, according to each of the above embodiments, as shown in FIG. 16, even when the optometry table T is provided along the wall W at the corner of the room and the optometry device 1 is arranged, convenience and measurement efficiency are achieved. Excellent use is possible. For example, a monitor unit 30 (which can also be applied to the monitor unit 30A) is attached to the top portion 9, and the monitor unit 10 is turned forward as shown in FIG. Further, the monitor unit 30 may be mounted on the forehead pad 5 and the monitor unit 10 may be directed forward or to the right. Further, the monitor unit 30 can be attached to the right side surface of the base portion 2, the measurement head 3, and the right side of the base portion 2a. As a result, the measurement head 3 can be controlled by touching the display surface 25 of the monitor unit 10 from behind the subject or from the right side of the measurement head 3, so that optometry measurement can be performed even in a small room, which saves space. Can be planned.

Further, according to these optometry devices 1 and 1A, it is also convenient that the monitor unit 10 can be used for placing a light document such as a prescription when the monitor unit 10 is kept in a horizontal state.

Further, as shown in FIG. 2B, before the display surface 25 of the monitor unit 10 is directed to the side facing the subject and the subject fixes his / her face to the chin rest 4, “solid”. A guide message such as "Please look at the optotype" may be displayed on the display surface 25.

Further, in the embodiment shown in FIG. 1 and the like, the main body is formed by engaging the plurality of attached portions 40, 40 provided at desired positions of the main body portion H with the mounting portions 12b, 12b of the vertical bearing member 12. The monitor unit 30 is detachably attached to the portion H. Further, in another different embodiment shown in FIG. 14 and the like, the monitor unit 30A is detachably attached to the main body portion H by screwing the attached portion 40A and the screwed rotary sleeve 121. However, the mounting mechanism of the monitor units 30 and 30A is not limited to this embodiment. For example, a permanent magnet or an electromagnetic magnet may be attached to one or both of the monitor units 30 and 30A and the main body H, and the monitor unit 30 may be detachable from the main body H by magnetic force. Further, the monitor units 30 and 30A may be detachably attached to and detached from the main body portion H by a mounting member such as a metal fitting. Further, a convex portion is provided on one side of the monitor units 30 and 30A and the main body portion H, and a concave portion is provided on the other side. May be good.

1,1A Optometry device 2 Base 3 Measuring head 6 Optical system 10 Monitor 11, 11A Support 12, 120 Vertical bearing member 12b Mounting 121 Screw-in rotary sleeve (mounting)
13,130 Horizontal bearing member 13d, 132 Support arm member 13h, 131 Horizontal shaft part 14,122 Vertical cylinder part (vertical shaft part)
25 Display surface 40, 40A Attached part H Main body part

Claims (4)

The base portion and the subject located in front of the base portion are movably supported by the base portion in the horizontal direction and the direction perpendicular to the base portion, and the image to be inspected is viewed via the optical system. The main body having a measuring head that inspects while observing,
A monitor unit having a touch panel type display surface capable of presenting at least an image to be inspected and an operation button, and a monitor unit attached to one end to rotatably support the monitor unit around a vertical axis and a horizontal axis. With a monitor unit having a support for
An optometry device characterized in that the monitor unit is detachably configured with respect to the main body portion because the support portion is detachably attached to the main body portion. The support portion is supported by the mounting portion via a mounting portion that is detachably attached to the main body portion, a vertical axis portion that moves around the vertical axis, and a horizontal shaft portion that rotates around the horizontal axis. The optometry device according to claim 1, further comprising a support arm member, wherein the monitor portion is attached to a tip end portion of the support arm member. The optometry device according to claim 2, wherein the support arm member is configured to be expandable and contractible. The optometry device according to claim 2 or 3 , wherein the main body portion is provided with a plurality of attached portions to which the mounting portions are attached.

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