JP7373680B2 - ophthalmology equipment - Google Patents

Description

The present invention relates to an ophthalmological device.

A measurement head that faces the subject and is movable up, down, left, right, front and back, and that performs the test while observing the image of the eye to be examined through an optical system, and a touch panel type that can present at least the image of the eye to be examined and operation buttons. A mounting device that is provided on the top of the measurement head and has a vertical shaft portion that is movable around a vertical axis and a horizontal shaft portion that rotates around a horizontal axis. An ophthalmological apparatus having a part is known (for example, see Patent Document 1).

Furthermore, a configuration is also known in which an operation unit that can be attached to an ophthalmologic apparatus is provided and instructions are given to the ophthalmologic apparatus using an operation lever provided on the operation unit (see, for example, Patent Document 2).

Japanese Patent Application Publication No. 2012-148030 Japanese Patent Application Publication No. 2016-209153

However, the ophthalmological apparatus disclosed in Patent Document 1 instructs the measuring head to start operation or alignment operation by touching the touch panel of the monitor unit, and the ophthalmological apparatus disclosed in Patent Document 2 The device has a configuration in which an operating lever instructs the ophthalmological device to start operation or alignment operation, and therefore has the following problems.

In other words, the subjects have various physiques, and the ages of the subjects range from infants to the elderly.Furthermore, there are subjects with drooping eyelids, those with pathological eyes, and those with mental illnesses. Various types of support are required for each patient during an examination using an ophthalmological device. For this reason, the examiner must support the examinee's back, place a hand on the examinee's head to prevent it from moving during the examination, and keep the examinee's eyelids open so that they do not droop during the examination. It is necessary to perform various movements during an examination using an ophthalmological device, such as holding it by hand. Therefore, it is troublesome for the examiner to touch the touch panel or operate the operating lever to issue an instruction to start the inspection or an alignment operation at the start of the inspection.

In particular, the standing position and posture of the examiner differ for each subject, and the examiners also have various physiques, different handedness, and preferred operating postures. For this reason, it is troublesome to give an instruction to start an examination using a monitor unit that moves only within a limited range of movement and an operating lever that has a limited mounting position.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide an ophthalmologic apparatus that can issue an instruction to start an examination or an instruction to start an alignment operation to the ophthalmologic apparatus regardless of the position of the examiner.

In order to achieve the above object, the ophthalmologic apparatus of the present invention includes an ophthalmologic apparatus main body that performs an examination while observing an image of the subject's eye through an optical system, and a display surface that can at least present the image of the subject's eye. The ophthalmologic apparatus has a monitor section that has a bar-shaped operation section, and an operation section that can operate the ophthalmologic apparatus main body while being separated from the ophthalmologic apparatus main body. an operation input section that outputs an operation input signal based on the operation input section; and an operation start signal that instructs the ophthalmology apparatus main body to start an examination or start an alignment operation for the eye to be examined based on the operation input signal output from the operation input section. The operation input section includes a tilt detection section that detects the tilting motion of the operation section main body and outputs an operation input signal, and a drive control section that sends the operation input signal to the ophthalmological apparatus main body. The present invention is characterized in that it includes a rotation detection section that detects a rotational motion around a detection axis and outputs an operation input signal, and an operation instruction section that outputs an operation input signal by pressing.

The ophthalmologic apparatus of the present invention configured as described above has an operation section that can operate the ophthalmologic apparatus main body while being separated from the ophthalmologic apparatus main body, and the operation section outputs an operation input signal based on an operation input operation. an operation input section to perform the operation, and an operation start signal that instructs the ophthalmological apparatus main body to start an examination or an alignment operation for the subject's eye based on the operation input signal output from the operation input section to the ophthalmological apparatus main body. and a drive control section.

Therefore, by instructing the ophthalmological apparatus main body to start an examination using the operation unit, it is possible to instruct the ophthalmological apparatus to start an examination, etc., regardless of the position of the examiner.

1 is a perspective view showing the overall configuration of an ophthalmologic apparatus according to a first embodiment of the present invention. FIG. 1 is a diagram showing an ophthalmologic apparatus according to a first embodiment, in which (a) is a side view and (b) is a front view. FIG. 1 is a diagram showing an ophthalmologic apparatus according to a first embodiment, in which (a) is a side view and (b) is a rear view. FIG. 1 is a diagram showing an ophthalmologic apparatus according to a first embodiment, in which (a) is a side view and (b) is a rear view. FIG. 1 is a diagram showing an ophthalmologic apparatus according to a first embodiment, in which (a) is a side view and (b) is a rear view. FIG. 1 is a diagram showing an ophthalmologic apparatus according to a first embodiment, in which (a) is a side view and (b) is a rear view. It is a perspective view showing the schematic structure of the attachment part of the ophthalmologic device which is a first embodiment. FIG. 2 is a partially exploded perspective view showing the positional relationship between the mounting portion and the circuit board of the ophthalmologic apparatus according to the first embodiment. It is a partial sectional view showing the schematic structure of the attachment structure of the vertical cylinder part of the attachment part of the ophthalmological apparatus which is a first embodiment. FIG. 2 is a cross-sectional view showing a schematic configuration of a mounting structure for a hollow cylindrical portion of the mounting portion of the ophthalmologic apparatus according to the first embodiment. FIG. 2 is a side view showing a schematic configuration of a mounting portion of the ophthalmologic apparatus according to the first embodiment. FIG. 2 is an explanatory diagram illustrating an example of an eye image and operation buttons displayed on the display screen of the ophthalmological apparatus according to the first embodiment, and is a diagram illustrating a state when measurement is executed after completion of alignment. FIG. 3 is an explanatory diagram showing an example of an eye image to be examined and operation buttons displayed on the display screen of the ophthalmological apparatus according to the first embodiment, and is a diagram showing a state of the eye image to be examined before completion of alignment. FIG. 2 is a perspective view showing the external configuration of the operating section of the ophthalmologic apparatus according to the first embodiment. FIG. 1 is a block diagram showing a schematic configuration of an ophthalmologic apparatus according to a first embodiment. FIG. 2 is a perspective view showing the external configuration of an operating section of an ophthalmologic apparatus according to a second embodiment of the present invention. FIG. 3 is a perspective view showing the external configuration of an operating section of an ophthalmologic apparatus according to a third embodiment of the present invention.

Embodiments of the present invention will be described below based on the drawings.

(First embodiment)
1 to 6 are a perspective view, a front view, a side view, and a rear view, respectively, showing an ophthalmologic apparatus that is an embodiment of the present invention.

Note that the X-axis, Y-axis, and Z-axis are taken as shown in each figure throughout this specification, and the left-right direction (the positive direction of the X-axis is the left direction, the negative direction is the right direction), the front-back direction ( The description in the specification will be made with reference to the positive Y-axis direction (backward direction, negative direction is forward direction) and the vertical direction (positive Z-axis direction is upward direction, negative Z-axis direction is downward direction). Further, the horizontal direction is a direction along the XY plane, and the vertical direction is a direction along the Z axis.

More specifically, FIG. 1 is a perspective view showing a state in which the ophthalmological apparatus is installed on an optometry table and is being operated by an operating section.

Further, FIG. 2 is a diagram for explaining the position of the monitor section when the examiner performs the examination while facing the patient with an ophthalmological device in between, and FIG. 2(a) is a diagram showing the display screen of the monitor section. FIG. 2(b) is a side view showing the state in which the monitor is facing toward the examiner, and FIG. 2(b) is a front view showing the state in which the display screen of the monitor section is viewed from the direction of arrow A shown in FIG. 2(a).

In addition, FIG. 3 is a diagram for explaining the position of the monitor unit when the examiner stands on the same side as the subject and performs the examination, and FIG. 3(a) shows that the display surface of the monitor unit is FIG. 3(b) is a side view showing the display screen of the monitor section viewed from the direction of arrow B shown in FIG. 3(a).

Further, FIG. 4 is a diagram for explaining the position of the monitor section when an examination is performed with the examiner standing on the right side of the ophthalmological apparatus, and FIG. 4(a) is a diagram for explaining the position of the monitor section shown in FIG. FIG. 4(b) is a side view of the ophthalmological apparatus showing the display screen of the monitor section viewed from the direction, and FIG. 4(b) is a rear view showing the display screen of the monitor section facing to the right as viewed from the subject. .

Furthermore, FIG. 5 is a diagram for explaining the position of the monitor unit when an examination is performed with the examiner sitting on the right side of the ophthalmological apparatus, and FIG. FIG. 5B is a side view showing the display screen of the monitor section viewed from the direction, and FIG. 5B is a rear view showing the display screen of the monitor section facing to the right as viewed from the subject.

FIG. 6 is a diagram for explaining the position of the monitor section when an examination is performed with the examiner sitting on the left side of the ophthalmological apparatus, and FIG. FIG. 6B is a side view showing the display screen of the monitor section viewed from the direction, and FIG. 6B is a rear view showing the display screen of the monitor section facing leftward as viewed from the subject.

In these figures, an ophthalmologic apparatus 1 according to the present embodiment includes a base portion 2 and a measurement head 3. As shown in FIG. A chin rest 4 is provided in front of the base 2, and a forehead rest 5 integrally formed with the chin rest 4 is provided above the chin rest 4. The subject of the ophthalmological apparatus 1 according to the present embodiment faces the ophthalmic apparatus 1 while sitting on a chair or the like provided in front of the ophthalmic apparatus 1, places his or her chin on the chin rest 4, and places the forehead rest on the forehead rest 4. Take the test while placing your forehead on the These base portion 2 and measurement head 3 constitute an ophthalmological apparatus main body according to this embodiment.

Preferably, as shown in FIG. 1, the ophthalmologic apparatus 1 is placed on an optometry table 40 and used for testing the eyes of a subject.

Inside the measurement head 3, as shown by broken lines in FIGS. 2 to 6, a known optical system 6 for observation and photographing is provided. With this optical system 6, the anterior segment of the subject's eye, the cornea of the subject's eye, the fundus, and the like can be observed and photographed.

The base portion 2 is provided with a known drive mechanism/drive circuit 8 for driving the measurement head 3, as shown by broken lines in FIGS. 2 to 6. For example, a stepping motor (not shown) is used as the drive section of the drive mechanism/drive circuit 8.

The measurement head 3 is driven by the drive mechanism/drive circuit 8 in the horizontal direction and in the vertical direction perpendicular to the base section 2 by operating the touch panel display surface 25 of the monitor section 10 . Thereby, the measurement head 3 is supported by the base portion 2 so as to be movable in both the horizontal direction and the vertical direction perpendicular to the horizontal direction. Further, by operating the touch panel display surface 25, an instruction to start an inspection by the optical system 6 or an instruction to start an alignment operation is input, and an inspection or an alignment operation by the optical system 6 is started based on this instruction to start an inspection. .

Further, as schematically shown in FIG. 1, the ophthalmologic apparatus 1 according to the present embodiment includes an operation section 30 that instructs the ophthalmologic apparatus 1 to at least start an examination or an alignment operation for the eye to be examined. This operation section 30 has a communication section (not shown in FIG. 1), and the communication section wirelessly transmits an operation start signal. Therefore, the operating section 30 is configured to be able to operate the ophthalmological apparatus main body while being separated from the base section 2. Inside the measurement head 3, as shown by broken lines in FIGS. 2 to 6, a main body communication section 55 (see FIG. 15) that receives an operation start signal transmitted from the communication section of the operation section 30 is provided. .

Here, the instruction to start the operation of the ophthalmological apparatus 1 issued by the operation unit 30 includes an instruction to start examining the subject's eye using the optical system 6 provided inside the measurement head 3, and an instruction to start examining the subject's eye using the optical system 6 provided inside the measurement head 3. This includes an instruction to start an alignment operation for the eye to be examined, and an instruction to drive the measurement head 3 in the horizontal and vertical directions with respect to the base portion 2 by the drive mechanism/drive circuit 8.

It should be noted that the ophthalmological apparatus 1 according to the present embodiment determines whether to issue an operation instruction to the ophthalmological apparatus 1 via the touch panel type display surface 25 or to issue an operation start instruction via the operation unit 30. , an operation start instruction can be given at least via the operation unit 30. Naturally, it may be possible to operate from either the display screen 25 or the operation section 30. In this case, the examiner selects one according to his or her own posture. Alternatively, depending on the settings of the ophthalmologic apparatus 1, only either the operation unit 30 or the display screen 25 may be operable.

Details of the operation unit 30 will be described later.

The top portion 9 of the measuring head 3 is provided with a mounting portion 11 to which a monitor portion 10 is attached. The monitor unit 10 has a touch panel display surface 25 that can present at least an image of the eye to be examined and an image of operation buttons.

A schematic configuration of the attachment portion 11 will be described with reference to FIG. 7 and the like. As shown in an enlarged view in FIG. 7, the mounting portion 11 is generally 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 generally composed of a substantially flat pedestal portion 12a and a pair of fixed plate portions 12b provided at both left and right ends of the pedestal portion 12a and extending left and right from the pedestal portion 12a, respectively. There is.

The fixing plate portion 12b is fixed to the top portion 9 of the measurement head 3 by an unillustrated fixing member such as a screw. A vertical cylindrical portion 14 whose longitudinal direction extends in the vertical direction is welded and fixed to a substantially central portion of the pedestal portion 12a by, for example, welding means.

As shown in FIGS. 7 and 8, the horizontal bearing member 13 includes a horizontal plate portion 13a and a pair of support plate portions 13b raised upward in the figure from both left and right ends of the horizontal plate portion 13a. It consists of

As shown in FIG. 8, a circular opening 13c is formed approximately in the center of the horizontal plate portion 13a, and the vertical tube portion 14 is inserted into the circular opening 13c.

As shown in FIG. 9, a step portion 14a with a narrow diameter is formed at the upper end of the vertical cylinder portion 14. As shown in FIG. A disk-shaped friction ring plate 15 is inserted into the stepped portion 14a of the vertical cylinder portion 14 so as to sandwich the horizontal plate portion 13a of the horizontal bearing member 13 from above and below in the figure. A disc-shaped retaining ring member 15' having a smaller diameter than the friction ring plate 15 is fitted so as to sandwich the portion 13a.

As a result, the horizontal plate part 13a is supported by the step part 14a of the vertical cylinder part 14, and is further applied with appropriate downward pressure in the vertical axis direction by the retaining ring member 15' and the friction ring plate 15. It can be rotated by receiving an appropriate force around the axis of the part 14, more precisely around the rotation axis along the Z-axis direction, and can maintain a stopped state at an appropriate position around the vertical axis (Z-axis). has been done.

As shown in FIGS. 7 and 8, a support arm member 13d constituting a support portion is attached to the pair of support plate portions 13b, 13b. This support arm member 13d has a pair of arm plate parts 13e and 13f, and an attachment bracket plate part 13g that spans over the tips of these arm plate parts 13e and 13f.

A horizontal shaft support 13h is provided on the arm plate portion 13e located on the upper left side in FIGS. 7 and 8. On the other hand, a circular opening 13j is formed in the arm plate portion 13f located on the lower right side in FIGS. 7 and 8.

The horizontal shaft support 13h rotates around the horizontal axis, more precisely along the rotation axis along the X-axis direction, on one support plate part 13b, that is, the support plate part 13b located on the upper left side in FIGS. movably supported. A known torque hinge member is used for the horizontal shaft support 13h. This torque hinge member allows the rotational force around the horizontal axis to be adjusted.

The other support plate portion 13b, that is, the support plate portion 13b located at the lower right side in FIGS. 7 and 8, has a circular opening 13k having approximately the same diameter as the circular opening 13j at a position opposite to the circular opening 13j. ing. A hollow cylindrical portion 19 is inserted into these circular openings 13j and 13k, as shown in FIGS. 7, 8, and 10. This hollow cylinder part 19 is fixed to the other support plate part 13b.

Thereby, the support arm member 13d is rotatable around the horizontal axis, more precisely along the rotation axis along the X-axis direction, by the hollow cylinder portion 19 and the horizontal shaft support 13h. Therefore, the hollow cylindrical portion 19 and the horizontal shaft support 13h constitute the horizontal shaft portion H of this embodiment. On the other hand, in the support arm member 13d, the horizontal bearing member 13 that supports it is rotated around a vertical axis, more precisely along the Z-axis direction, by the vertical cylinder part 14, the friction ring plate 15, and the retaining ring member 15'. It is possible to rotate along the

As shown in FIG. 10, a pair of annular grooves 20, 20 are formed in the hollow cylindrical portion 19 at intervals in the axial direction (longitudinal direction) thereof. C-shaped retaining rings 21, 21 as axial retaining ring members are attached to these annular grooves 20, 20, respectively. Thereby, the hollow cylinder part 19 is prevented from coming off in the axial direction with respect to the support plate part 13b.

As shown in FIG. 10, a bearing flange member 22 made of resin is inserted through the hollow cylindrical portion 19. The support arm member 13d is rotatably slidably contacted by the bearing flange member 22 under an appropriate force.

In FIG. 10, reference numeral 13f' is a bent plate part formed in a bent manner on the arm plate part 13f, the circular opening 13j is formed in this bent plate part 13f', and the arm plate part 13f is formed in this bent plate part 13f'. It is rotatably supported by the hollow cylindrical portion 19 via.

As shown enlarged in FIGS. 7 and 11, the support plate portion 13b that rotatably supports the hollow cylinder portion 19 is provided with an interval in the direction around the horizontal axis, more precisely, in the circumferential direction of the support plate portion 13b. When opened, a pair of protrusions 13m and 13m are formed. As shown in FIG. 11, open ends 21a, 21a of the C-shaped retaining ring 21 are arranged between these projections 13m, 13m.

The open ends 21a, 21a of the C-shaped retaining ring 21 are arranged between the protrusions 13m, 13m, so that the hollow cylinder part 19 is prevented from rotating around the horizontal axis. The durability of the portion 19 is improved.

As shown in FIG. 7, a lead wire 16b that electrically connects the monitor section 10 and the measurement head 3 is drawn out through the through hole 19a of the hollow cylindrical section 19 and the through hole 14b of the vertical cylindrical section 14. This prevents the lead wire 16b from twisting due to the rotating operation of the monitor section 10.

As described above, the mounting bracket plate portion 13g is disposed astride the tips of the pair of arm plate portions 13e and 13f, as shown in FIGS. 7, 8, and 10. As shown in FIG. 8, a circuit board 23 is disposed on the mounting bracket plate portion 13g.

A control circuit unit (not shown) is disposed on the back side of the circuit board 23, and a control circuit unit (not shown) is provided on the front side of the circuit board 23. An unillustrated liquid crystal display having a display surface 25 shown in a) is arranged substantially parallel to the circuit board 23.

As best shown in FIG. 11, the angle formed between the mounting bracket plate portion 13g and the pair of arm plate portions 13e and 13f is an obtuse angle. More precisely, the mounting bracket should be mounted so that the angle formed between the normal to the surface of the mounting bracket plate portion 13g and the vertical plane (XZ plane) passing through the rotation axis (X axis) of the horizontal shaft portion H is an obtuse angle. The shapes of the plate portion 13g and the arm plate portions 13e and 13f are determined.

Since the display surface 25 of the liquid crystal display constituting the monitor section 10 is approximately parallel to the (right) surface of the mounting bracket plate section 13g, the angle formed between the monitor section 10 and the support arm member 13d is an obtuse angle. Become. As a result, the position of the monitor unit 10 can be changed from the side facing the examiner to the side facing the subject without any problem.

As shown in FIG. 7, the arm plate portion 13e and the support plate portion 13b are provided with detection sensors 26a and 26b that detect rotation of the monitor portion 10 (a pair of arm plate portions 13e and 13f) around a horizontal axis. It is being These detection sensors 26a and 26b are configured, for example, to be turned on when the display surface 25 of the monitor section 10 is in a horizontal state, and turned off when a predetermined angle from the horizontal state is exceeded.

The control circuit unit cooperates with its detection sensors 26a and 26b to determine whether the monitor unit 10 is rotated around the horizontal axis and the display surface 25 is turned upside down and when it is turned upside down. Control is performed so that the visual positions of the image and the operation button image are the same, and the image information displayed on the display surface 25 is reversed vertically and horizontally.

For example, when the control circuit unit detects the rise and fall of the output signals from the detection sensors 26a and 26b, it controls the image information displayed on the display surface 25 to be inverted vertically and horizontally.

The display surface 25 has a rectangular shape, as shown enlarged in FIGS. 12 and 13. The display surface 25 is provided with an eye image display area 25c and an operation button image display area. In the eye image display area 25c, a rectangular target area mark 25g and a minimum pupil diameter determination mark 25h are displayed at the center of the screen.

The operation button image display areas are provided on both left and right sides of the display surface 25 with the eye image, etc. display area 25c therebetween, and on the lower side of the eye image, etc. display area 25c.

In the operation button image display area, a keyboard button B1, an R button B2, a chin rest up/down movement button B3, and a measurement mode button B4 are arranged in a display area 25d on the left side when facing the display surface 25. A setup button B5, an L button B6, a measuring head forward/backward button (Z direction button) B7 for moving the measuring head 3 back and forth, a start button B8, and a manual/auto switching button B9 are arranged in the display area 25e on the right side when facing the display surface 25. has been done.

A cataract button B10, a target image button B11, a corneal diameter button B12, a print button B13, a graphic print button B14, an observation image display button B15, and an all measurement value clear button B16 are arranged in the display area 25f on the lower side facing 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 following measurement modes: Ref (eye refractive power), Kerato (corneal shape), and Ref/kerato. R button B2 is used to select the right eye, L button B6 is used to select the left eye, start button B8 is used to start measurement in manual mode, and setup button B5 is used to select the setup screen. used to display.

The cataract button B10 is used when measurement errors are likely to occur due to cataracts, etc., the target image button B11 is used to display a memorized measurement target on the display surface 25, and the corneal diameter button B12 is used to display the corneal diameter. Used when switching to measurement mode.

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

The chin rest up and down movement button B3 is used to move the height of the chin rest 4 up and down to adjust the height of the subject's eye. The measurement head back and forth button (Z direction button) B7 is used to drive the measurement head 3 in the back and forth direction with respect to the eye to be examined.

Note that the minimum pupil diameter determination mark 25h is used to stop the measurement when the pupil diameter is less than or equal to the minimum pupil diameter determination mark 25h.

In the display area 25c for images of the eye to be examined, in addition to the anterior segment image being observed, images such as measurement results, letters, symbols, codes, etc. related to the examination, as well as figures, etc., are displayed as appropriate.

In the ophthalmological apparatus of this embodiment, the anterior segment image Gf of the subject and the measurement results S, C, and A are displayed in the display area 25c for the subject's eye image, etc. Here, in FIG. 11, Gf' is an iris image, Gf'' is a pupil image, P1 is a corneal bright spot image, and P2 is an alignment index image.

For example, as shown in FIG. 13, when the examiner touches the test eye image display area 25c with a finger or the like in the observation mode of the anterior segment image Gf, the control circuit unit controls the display area 25c to correspond to the touch point tp. The measuring head 3 is driven up, down, left and right so that the image region is located at the center G0 of the screen, and thereby the pupil image Gf'' of the eye image to be examined is controlled so as to be located at the center of the screen.

For example, the control circuit unit calculates the distance L on the screen from the screen center G0 to the touch point tp, and drives and controls the horizontal stepping motor and the vertical stepping motor based on this distance L. The measuring head 3 is moved vertically and horizontally with respect to the eye examination. This operation is an alignment operation for the eye to be examined.

Here, the control circuit unit drives the stepping motor so that the measurement head 3 is driven at high speed at the first touch and at low speed at 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 to speed up the measurement, but at the time of the second touch, In this case, the distance between the screen center G0 and the pupil center PDO is considered to be small, and low-speed driving is desirable to control the measurement head 3 so that the pupil center PDO falls within the target area mark 25g. be.

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 automatically operates based on the distance between the detected position of the corneal bright spot image P1 and the screen center G0. The measuring head 3 is driven vertically and horizontally, and the measuring head 3 is also driven forward and backward so that the corneal bright spot image P1 is brought into focus, and the corneal bright spot image P1 is brought into focus within the target area mark 25g. When the output value of the corneal bright spot image P1 exceeds a predetermined value, measurement is automatically performed.

When the monitor unit 10 is rotated so that the attitude of the monitor unit 10 changes from the attitude shown in FIG. 2 to the attitude shown in FIG. 3, or the attitude of the monitor unit 10 changes to the attitude shown in FIGS. 4 and 5. When the monitor unit 10 is rotated from the position shown in FIG. The image information displayed on the display surface 25 is controlled so that the visual position of the optometry image and the operation button are the same, and the image information displayed on the display surface 25 is reversed vertically and horizontally, and as a result, as shown in FIGS. 2, 4, and 5 The display surface 25 when the monitor unit 10 is in the shown posture and the display surface 25 when the monitor section 10 is in the postures shown in FIGS. 3 and 6 are visually the same as shown in FIGS. 12 and 13.

Next, with reference to FIG. 14, the operation unit 30 included in the ophthalmologic apparatus 1 according to this embodiment will be described.

As shown in FIGS. 1 and 14, the operating section 30 includes an operating section main body 31 formed in a rod shape. An acceleration sensor 32 that can independently detect accelerations in the X'-axis direction, Y'-axis direction, and Z'-axis direction shown in FIG. 14 is provided inside the operating section main body 31. Here, the Z'-axis is set in a direction along the longitudinal direction of the operating section main body 31, and the X'-axis and Y'-axis are set in directions perpendicular to the Z'-axis. The X-axis, Y-axis, and Z-axis described above are coordinate systems based on the ophthalmological apparatus 1, particularly the base portion 2, and the measurement head 3, while the X'-axis, Y'-axis, and Z'-axis are based on the operating unit main body 31. It is a coordinate system based on . Since the acceleration sensor itself capable of independently detecting acceleration in three axes is well known, a description of its configuration and detection principle will be omitted.

A switch 33 is provided at the longitudinal end (the upper end in FIG. 14) of the operating section main body 31. This switch 33 is a so-called momentary switch, and outputs a signal only when the operator of the operating section 30 (usually the examiner) pushes the switch 33 in the longitudinal direction of the operating section main body 31. Since the configuration and principle of the momentary switch are well known, their explanation will be omitted here.

The operation unit main body 31 is provided with a control board (not shown) that wirelessly outputs an operation instruction signal to the ophthalmologic apparatus 1 based on signals output from the acceleration sensor 32 and the switch 33.

Next, with reference to FIG. 15, the configuration of the control system of the ophthalmologic apparatus 1 will be described.

The ophthalmologic apparatus 1 according to this embodiment includes a control section 50, a drive section 51, a measurement section 52, a main body operation section 53, a display section 54, a main body communication section 55, and an operation section 30.

The operation section 30 includes an operation input section 56, a drive control section 57, and a communication section 58.

The operation input section 56 includes a tilt detection section 56a, a rotation detection section 56b, and an operation instruction section 56c. The tilting detection section 56a including the acceleration sensor 32 detects a tilting motion of the operating section main body 31 in the longitudinal direction and outputs an operation input signal. Similarly, the rotation detecting section 56b including the acceleration sensor 32 detects the rotational movement around the detection axis along the longitudinal direction of the operating section main body 31 and outputs an operation input signal. The operation instruction section 56c including the switch 33 outputs an operation input signal based on an input operation caused by operating the switch 33.

The drive control unit 57 starts the examination by the optical system 6 or aligns the eye to be examined by the ophthalmological apparatus main body based on the operation input signal from the operation input unit 56 including the tilt detection unit 56a, the rotation detection unit 56b, and the operation instruction unit 56c. An operation start signal instructing to start the operation is sent to the control unit 50 via the communication unit 58.

Further, the drive control unit 57 sends a drive control signal to drive the measurement head 3 in the horizontal direction with respect to the base unit 2 based on the tilting motion of the operating unit main body 31 detected by the tilting detection unit 56a. The signal is sent to the drive section 51 via. Further, the drive control unit 57 sends a drive control signal to the control unit 50 to drive the measuring head 3 in the vertical direction with respect to the base unit 2 based on the rotational movement of the operating unit main body 31 detected by the rotation detection unit 56b. The signal is sent to the drive unit 51 via the drive unit 51.

The communication unit 58 wirelessly sends the operation instruction signal and drive control signal output by the drive control unit 57 to the main body communication unit 55. There is no particular limitation on the method of the wireless signal sent by the communication unit 58, and it may be any method of electromagnetic waves or light including infrared light. Regarding electromagnetic waves, there are no specific restrictions on the methods included in the so-called short-range wireless communication methods, such as wireless LAN, Bluetooth (registered trademark), and NFC (Near Field Communication).

The control unit 50 constitutes an electrical control system in the ophthalmological apparatus 1, and centrally controls each part of the ophthalmological apparatus 1 according to a program stored in a built-in internal memory 50a.

The control section 50 controls the drive section 51 as appropriate based on operation instructions from the main body operation section 53 and the drive control section 57 of the operation section 30 to adjust the horizontal and vertical positions of the measurement head 3 with respect to the base section 2. Adjust.

Further, the control unit 50 starts the alignment operation, observation, and inspection of the eye image to be examined by the measurement unit 52 based on the operation input signal from the main body operation unit 53 and the operation start signal from the drive control unit 57 of the operation unit 30. Then, the captured eye image and the test results are displayed on the display surface 25 of the display unit 54, for example, as shown in FIG. Furthermore, the control section 50 causes various operation button images to be displayed on the display surface 25 of the display section 54, as shown in FIG.

Here, when the operation instruction signal is transmitted from the drive control section 57 of the operation section 30, the control section 50 displays a pointer (not shown) on the display surface 25, and based on the operation instruction signal from the drive control section 57, Control may be performed to move the lever pointer within the display surface 25. If an operation start signal is transmitted from the drive control unit 57 while the pointer is positioned at a specific position on the display surface 25, for example, over an operation button, the operation corresponding to this operation button is executed. good.

The drive section 51 includes a drive mechanism/drive circuit 8 provided on the base section 2 . The drive unit 51 drives the measurement head 3 based on instructions from the control unit 50.

The measurement unit 52 includes an optical system 6 provided inside the measurement head 3, and performs an examination while observing an eye image of a subject located in front of the ophthalmological apparatus 1 based on instructions from the control unit 50. conduct.

The main body operation section 53 includes an unillustrated touch panel provided on the display surface 25 of the monitor section 10, accepts operation inputs for various operation button images displayed on the display surface 25, and transmits the operation input signals to the control section 50. Output. Note that if the base portion 2 of the ophthalmologic apparatus 1 is provided with a joystick or operation buttons, these joysticks and the like are also included in the main body operation section 53.

The display section 54 includes the monitor section 10, and displays images such as those shown in FIGS. 12 and 13 on the display surface 25 based on a display control signal from the control section 50.

The main body communication section 55 receives various signals wirelessly transmitted from the communication section 58 of the operation section 30 and sends them to the control section 50. The main body communication section 55 is capable of wireless communication with the communication section 58 of the operation section 30 . Therefore, the wireless system supported by the main body communication section 55 also includes the wireless system supported by the communication section 58.

The ophthalmologic apparatus 1 according to the present embodiment configured as described above has an operation section 30 that can operate the ophthalmologic apparatus body while being separated from the ophthalmologic apparatus body, and the operation section 30 is configured to perform operation input operations. an operation input unit 56 that outputs an operation input signal based on the operation input unit 56; and an operation start that instructs the ophthalmology apparatus main body to start an examination or start an alignment operation for the eye to be examined based on the operation input signal output from the operation input unit 56. It has a drive control section 57 that sends signals to the ophthalmologic apparatus main body.

Therefore, by instructing the ophthalmological apparatus main body to start an examination using the operation unit 30, it is possible to instruct the ophthalmological apparatus to start an examination, etc., regardless of the position of the examiner.

(Second embodiment)
Next, referring to FIG. 16, an ophthalmologic apparatus according to a second embodiment of the present invention will be described.

FIG. 16 is a perspective view showing the external configuration of the operating section 30 of the ophthalmologic apparatus 1 according to the second embodiment of the present invention. The ophthalmologic apparatus 1 according to the present embodiment differs from the ophthalmologic apparatus 1 according to the first embodiment described above only in the configuration of the operating section 30. Therefore, the same reference numerals are given to the same components as those of the ophthalmologic apparatus 1 according to the first embodiment, and the explanation thereof will be simplified.

In addition, in the description of the second embodiment and the description of the third embodiment described later, the positive direction of the Z' axis is upward, the negative direction is downward, the positive direction of the X' axis is rightward, and the negative direction is The left direction and Y'-axis positive direction will be described as the depth direction, and the negative direction as the front direction.

In the operating section 30 according to the second embodiment, the outer shape of the operating section main body 31 is formed into a thin rectangular shape.

A switch 34 having a shape different from the switch 33 provided on the operation section 30 according to the first embodiment is provided on the upper surface of the operation section main body 31 on the near side. This switch 34 includes an upper switch 34a, a lower switch 34b, a right switch 34c, and a left switch 34d, which can each specify four directions: up, down, left, and right. A decision switch 34e having the same function as the switch 33 provided in the operating section 30 according to the first embodiment is provided in the center of these up, down, left, and right switches 34a to 34d.

Further, an instruction switch 35 extending in the longitudinal direction is provided on the left side of the operation section main body 31 in the drawing. This instruction switch 35 is a seesaw switch that performs a so-called momentary operation, and is configured to be swingable in the vertical direction. The first signal is output only when the examiner presses down the upper part of the instruction switch 35, and the second signal is output only when the examiner presses the lower part.

The operation input section 56 of the operation section 30 according to the present embodiment outputs an operation input signal based on the operation of the up/down and left/right switches 34a to 34d and the pressing operation of the instruction switch 35. Further, the operation input section 56 including the decision switch 34e outputs an operation input signal based on the pressing operation of the decision switch 34e.

Based on the operation input signal from the operation input section 56, the drive control section 57 controls, via the communication section 58, an operation start signal instructing the optical system 6 to start an examination or the ophthalmological apparatus main body to start an alignment operation for the eye to be examined. 50.
The control unit 50 starts the alignment operation, observation, and inspection of the eye image to be examined by the measurement unit 52 based on the operation input signal from the main body operation unit 53 and the operation start signal from the drive control unit 57 of the operation unit 30, The captured eye image and the test results are displayed on the display surface 25 of the display unit 54.

Further, when the operation start signal is transmitted from the drive control unit 57 of the operation unit 30, the control unit 50 displays a pointer (not shown) on the display surface 25, and based on the operation instruction signal from the drive control unit 57, Control may be performed to move this pointer within the display surface 25. Specifically, when the up/down/left/right switches 34a to 34d are operated, control may be performed to similarly move the pointer in the up/down/left/right directions within the display surface 25. If the decision switch 34e is operated while the pointer is positioned at a specific position on the display surface 25, for example above an operation button, the operation corresponding to this operation button may be executed.

Further, the drive control section 57 sends a drive control signal to drive the measurement head 3 in the horizontal direction relative to the base section 2 based on the operation of the left and right switches 34c and 34d detected by the operation input section 56. The signal is sent to the drive section 51 via. The drive control unit 57 also controls a drive control signal for driving the measurement head 3 vertically upward relative to the base unit 2 based on the first signal from the instruction switch 35 detected by the operation input unit 56. It is sent to the drive section 51 via the section 50. Similarly, the drive control section 57 generates a drive control signal for driving the measurement head 3 vertically downward relative to the base section 2 based on the second signal from the instruction switch 35 detected by the operation input section 56. It is sent to the drive unit 51 via the control unit 50.

Therefore, the ophthalmologic apparatus 1 according to the present embodiment can also obtain the same effects as the ophthalmologic apparatus 1 according to the first embodiment described above.

(Third embodiment)
Next, with reference to FIG. 17, an ophthalmologic apparatus according to a third embodiment of the present invention will be described.

FIG. 17 is a perspective view showing the external configuration of the operating section 30 of the ophthalmologic apparatus 1 according to the third embodiment of the present invention. The ophthalmologic apparatus 1 according to the present embodiment differs from the ophthalmologic apparatus 1 according to the second embodiment described above only in that a joystick 36 is provided in place of the up/down and left/right switches 34a to 34d and the decision switch 34e. Therefore, the same reference numerals are given to the same components as those of the ophthalmologic apparatus 1 according to the second embodiment, and the explanation thereof will be simplified.

A joystick 36 is provided on the upper surface of the operating section main body 31 on the near side. The joystick 36 is configured to be tiltable in at least four directions: up, down, left, and right, and preferably in four directions, upper right, upper left, lower right, and lower left, for a total of eight directions in addition to these four directions. The joystick 36 then outputs a signal corresponding to this tilting direction.

Furthermore, the joystick 36 can be pushed in the depth direction, and also outputs a signal corresponding to this pushing operation.

The operation input section 56 of the operation section 30 according to the present embodiment outputs an operation input signal based on the tilting motion and pushing motion of the joystick 36.

The drive control unit 57 sends an operation start signal to the control unit 50 via the communication unit 58, which instructs the measurement head 3 to start an inspection operation, etc., based on the operation input signal output by the pushing motion of the joystick 36. .

Further, when an operation instruction signal is transmitted from the drive control section 57 of the operation section 30, the control section 50 causes an unillustrated pointer to be displayed on the display surface 25, and based on the operation instruction signal from the drive control section 57, Control may be performed to move this pointer within the display surface 25. Specifically, when the joystick 36 is operated other than by pushing the joystick 36, the pointer may be similarly moved in the vertical and horizontal directions within the display surface 25, preferably in the upper right, upper left, lower right, and lower left directions. . If an operation start signal is transmitted from the drive control unit 57 while the pointer is positioned at a specific position on the display surface 25, for example, over an operation button, the operation corresponding to this operation button is executed. good.

The drive control unit 57 sends a drive control signal to the control unit 50 to drive the measurement head 3 in the horizontal direction with respect to the base unit 2 based on an operation other than the pushing operation of the joystick 36 detected by the operation input unit 56. The signal is sent to the drive unit 51 via the drive unit 51. The drive control unit 57 also controls a drive control signal for driving the measurement head 3 vertically upward relative to the base unit 2 based on the first signal from the instruction switch 35 detected by the operation input unit 56. It is sent to the drive section 51 via the section 50. Similarly, the drive control section 57 generates a drive control signal for driving the measurement head 3 vertically downward relative to the base section 2 based on the second signal from the instruction switch 35 detected by the operation input section 56. It is sent to the drive unit 51 via the control unit 50.

Therefore, the ophthalmologic apparatus 1 according to the present embodiment can also obtain the same effects as the ophthalmologic apparatus 1 according to the first embodiment described above.

(others)
Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments and examples, and design changes can be made to the extent that they do not depart from the gist of the present invention. are included in the present invention.

As an example, in the ophthalmological apparatus 1 according to each of the embodiments described above, a storage section may be provided around the base section 2 to store the operation section 30 so that its longitudinal direction is upright. In this case, the examiner can also operate the ophthalmological apparatus 1 with the operating section 30 stored in the storage section. In addition, by storing the operating section 30 in this storage section when the ophthalmological device 1 is not operating, the operating section 30 can always be stored in the same position, thereby preventing situations such as loss. I can do it.

Further, the configuration of the support member that supports the monitor unit rotatably around the vertical axis and the horizontal axis is not limited to the above-described embodiment, and may support the monitor unit rotatably around the vertical axis and the horizontal axis. Various configurations can be adopted. As an example, the support part that supports the monitor part rotatably around the horizontal axis may be configured to support the display surface of the monitor part substantially along the vertical direction and support the monitor part so as to be movable around the vertical axis. It will be done. It is also preferable to adopt a configuration in which the monitor section is attached to a support section so as to be rotatable around a horizontal axis, and the top of the measurement head or the support section is provided so as to be rotatable around a vertical axis relative to the main body of the measurement head. It is possible. Furthermore, the support section and the monitor section may be configured to be detachable from the main body of the measurement head.

1 Ophthalmology device 2 Base part (Ophthalmology device main body)
3 Measuring head (ophthalmological device body)
6 Optical system 8 Drive mechanism/drive circuit 9 Top section 10 Monitor section 11 Mounting section 25 Display surface 30 Operation section 31 Operation section main body 32 Acceleration sensors 33, 34 Switch 34e Decision switch 35 Instruction switch 36 Joystick (indication switch)
55 Main body communication section 56 Operation input section 56a Tilt detection section 56b Rotation detection section 56c Operation instruction section 57 Drive control section 58 Communication section

Claims (4)

an ophthalmological apparatus body that performs an examination while observing an eye image of a patient through an optical system;
An ophthalmological apparatus comprising a monitor unit having a display surface capable of presenting at least the image of the eye to be examined,
an operation unit that can operate the ophthalmologic device main body while being separated from the ophthalmologic device main body;
The operation section is
An operation unit main body formed in a rod shape,
an operation input unit that outputs an operation input signal based on the operation input movement;
Drive control for sending an operation start signal to the ophthalmological apparatus main body, which instructs the ophthalmological apparatus main body to start an examination or to start an alignment operation for the eye to be examined, based on an operation input signal output from the operation input unit. and has a
The operation input section includes a tilt detection section that detects a tilting motion of the operation section main body and outputs the operation input signal;
a rotation detection unit that detects a rotational movement around a detection axis along the longitudinal direction of the operation unit main body and outputs the operation input signal;
an operation instruction section that outputs the operation input signal by pressing ;
The ophthalmological device main body includes:
The base part and
a measurement head that is configured to be movable relative to the subject and performs the test while observing the eye image of the subject through an optical system;
a drive unit that moves the measurement head horizontally and vertically with respect to the base part;
has
The drive control unit generates a drive control signal for moving the measuring head in a horizontal direction based on the operation input signal based on the tilting movement of the operation unit main body, and the operation input based on the rotational movement of the operation unit main body. An ophthalmologic apparatus characterized in that a drive control signal for vertically moving the measurement head is sent to the drive unit based on the signal . The drive control unit includes a communication unit that wirelessly sends the operation start signal to the ophthalmologic apparatus main body,
The ophthalmologic apparatus according to claim 1, wherein the ophthalmologic apparatus main body includes a main body communication section that receives the operation start signal from the drive control section. The ophthalmologic apparatus according to claim 1 or 2, wherein the tilting detection section includes an acceleration sensor capable of detecting the tilting motion. The ophthalmologic apparatus according to any one of claims 1 to 3, wherein the ophthalmologic apparatus main body has a storage section in which the operation section is housed so as to be substantially upright.