JP2019062980A - Optometer, method, and program - Google Patents

Abstract

To provide an optometer, a method, and a program capable of obtaining an accurate reply of a subjective examination from a subject.SOLUTION: An arithmetic control circuit part 15 controls a target presenting device 3 so as to display graphics of an enclosure that indicates a Landolt ring on a display screen 3a as graphics that indicate a selection operation result for the Landolt ring received through a mouse 6b. The arithmetic control circuit part 15 controls the target presenting device 3 so as to display graphics for guiding options for a subject to select a visual recognition result in a direction of a slit of the Landolt ring, which is selected by an operation of the mouse 6b by an examiner, and reply it by voice.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an optometry apparatus, method and program used for examination of an eye to be examined.

  Conventionally, an eye function such as the eye refractive power of an eye to be examined is measured by a subjective test or an objective test, or by using both tests in combination. As an example, the subjective test described in Patent Document 1 measures eye refractive power based on the response of the subject to various targets such as Landolt's ring. For this reason, the subjective test takes time for measurement and requires the proficiency of the examiner.

JP, 2009-045145, A

  In the subjective examination, it is necessary for the examiner to verbally give instructions and questions to the subject during the examination and to proceed with the examination while confirming the oral response of the subject.

  However, since the subjective examination is performed while the examinee looks into the correction device, communication between the examiner and the examinee may not be performed well and smooth examination may not be performed.

  In particular, in the subjective examination, it is necessary to verbally reply to the examiner with changes in the subject's sensory appearance and visibility, so depending on the proficiency of the examination technique of the examiner, the subject's answer May vary. In such a case, it may be difficult to accurately grasp the answer to the question, which may require a long time for inspection or a decrease in inspection accuracy.

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide an optometry apparatus, method, and program capable of smoothly performing a subjective examination regardless of the proficiency level of an examiner.

  The optometry apparatus according to the first aspect of the present invention comprises a target presenting apparatus having a display unit for displaying a target to be presented to the subject's eye, and an optical element for correcting the visual function of the subject's eye as the subject's eye and the target The operation of the optical element arrangement apparatus which can be selectively arranged between the presentation apparatus, the voice input unit for receiving the voice input of the visual recognition result by the eye to the visual target, the visual target presentation apparatus and the optical element arrangement apparatus The control unit controls the target presenting apparatus to display a graphic indicating an option for causing the subject to answer the visual result of the target in voice along with the target, and The visual recognition result of the visual target is identified based on the voice input from the voice input unit.

  In the optometry apparatus according to the second aspect of the present invention, the visual target is a Landolt ring, and the control unit is a graphic showing the Landolt ring to be a visual target of the subject's eye and a cut direction of the Landolt ring to be a visual target of the subject's eye. The visual target presentation device is controlled to display a graphic showing options.

  In the optometry apparatus according to the third aspect of the present invention, the target is a radiation type astigmatism table, and the control unit indicates a choice of line segments visually recognized in the radiation type astigmatism table by the eye to be examined thicker than other line segments. The visual target presentation device is controlled to display a graphic.

  In the optometry apparatus according to the fourth aspect of the present invention, the visual target is an inequity visual inspection test visual target, and the control unit is configured to control the left and right eye-eye pairs of the U character forming the incongruity visual inspection visual target. The visual target presentation device is controlled to display a graphic showing a choice of whether the same size is visually recognized or one of the U-shaped characters is recognized larger than the other U-shaped.

  In the optometry apparatus according to the fifth aspect of the present invention, the control unit is configured to, when voice recognition is performed as a result of an option in which one U-shaped character is visually recognized larger than the other U-shaped, The target presentation device is controlled to display a graphic showing the choice of the degree of difference in the size of the other U-shaped character, and based on the voice input from the voice input unit, one of the U-shaped character and the other Recognize the voice corresponding to the choice of the degree of difference in the size of the letter U.

  In the optometry apparatus according to the fifth aspect of the present invention, the target is a hiragana target, and the control unit is configured to display a graphic indicating a hiragana reading option to be a visual target of an eye to be examined in the hiragana target. Control the presentation device.

  In the optometry method according to the seventh aspect of the present invention, a target presenting apparatus having a display unit for displaying a target to be presented to the subject eye, an optical element for correcting the visual function of the subject eye, and the target eye The operation of the optical element arrangement apparatus which can be selectively arranged between the presentation apparatus, the voice input unit for receiving the voice input of the visual recognition result by the eye to the visual target, the visual target presentation apparatus and the optical element arrangement apparatus In an optometry apparatus including a control unit that controls the control unit, the control unit controls the target presentation device to display a graphic and an option for causing the subject to answer the visual result of the target with voice. And identify the visual result of the visual target based on the voice input from the voice input unit.

  The optometry program of the eighth aspect of the present invention causes the optometry apparatus to execute the above-described optometry method.

  According to the present invention, the visual target presentation device is controlled to display a graphic indicating an option for causing the subject to answer the visual result of the visual recognition object together with the visual target, and the input is made from the audio input unit Identify visual results based on speech. This enables the examiner to obtain an answer correctly from the subject. Therefore, the subjective test can be smoothly performed regardless of the proficiency level of the examiner. In addition, since an option for causing the subject to answer the visual result of the visual object in voice is displayed, the answer voice from the subject after seeing the option becomes clear, and the recognition rate of the answer voice is improves.

FIG. 1 is a perspective view schematically showing the appearance of the subjective type optometry apparatus 1. FIG. 2 is a front view schematically showing the controller device 5. FIG. 3 is a block diagram schematically showing the circuit configuration of the subjective optometry apparatus 1. FIG. 4 is an explanatory view showing a display example of a list of visual targets in the subjective examination. FIG. 5 is an explanatory view showing an example in which a target (Landrol ring) and a guide are superimposed and displayed on the display screen 3a of the target presenting device 3. As shown in FIG. FIG. 6 is an explanatory view showing an example in which a target (radial astigmatism table) and a guide are superimposed and displayed on the display screen 3a of the target presenting device 3. As shown in FIG. FIG. 7 is an explanatory view showing an example in which a target (U-shaped target) and a guide are superimposed and displayed on the display screen 3 a of the target presenting device 3. FIG. 8 is an explanatory view showing an example in which a target (hiragana target) and a guide are superimposed and displayed on the display screen 3 a of the target presenting device 3. FIG. 9 is a flow chart showing the flow of processing executed by the arithmetic control circuit 15.

  The subjective type optometry apparatus 1 according to the present invention, as shown in FIG. 1, includes a visual target presenting apparatus 3 which displays visual target charts 3a-1 for various visual function tests presented to the subject's eye of the subject 2 A correction device (e.g., an optometer or phoropter device) 4 for correcting the visual function of an eye to be examined and a controller device 5 are provided.

  The subjective optometer 1 is used to determine the dioptric power of the lens of this eyeglass when making the eyeglass, not shown, as is well known from the prior art.

  The various target chart 3 a-1 is displayed on the display screen 3 a of the target presenting device 3. The visual target chart 3a-1 is determined by operating the operation main body 6 of the controller device 5. In the chart chart 3a-1 of the figure, a Landolt ring composed of the well-known letter "C" is displayed. However, the target chart 3a-1 is not limited thereto, and a target for astigmatism examination, a target for cross cylinder inspection, an index for balance inspection, an index for oblique inspection (polarization cross, cross ring, maddox) An indicator for vertical or horizontal oblique measurement (prism separation), an indicator for fixation disparity test (polarization cross with fixation point), an indicator for R / G inspection, an indicator for smart cross inspection, etc. may be displayed. The examiner 14 is located on the side of the optometry table 7 when examining the eye to be examined.

  The correction device 4 includes a pair of phoropters 10 arranged side by side in the left-right direction. Each phoropter 10 is provided with the housing 11 in which the optometry window 11a was formed, respectively. An annular lens disk (not shown) is rotatably accommodated in each housing 11 as in the prior art.

  On the lens disc, lenses, which are a plurality of optical elements having different refractive powers, are provided along the circumferential direction. The respective lenses are selectively set in the respective optometry windows 11 a by the control of the controller device 5 by the rotation of the lens disc.

  The subject 2 visually recognizes the standard chart 3a-1 through the optical elements set in the optometry windows 11a and 11a of the pair of phoropters 10.

  The controller device 5 is placed on the optometry table 7. For example, as shown in FIG. 2 in an enlarged manner, a personal computer is used as the controller device 5. As shown in FIG. 3, the controller device 5 performs the operation of the operation main body 6 and the monitor 12 described above. The control circuit unit 15 and the storage unit 16 are schematically configured. The operation main body 6 is, for example, schematically configured of an operation panel 6a, a mouse 6b, and a microphone 6c. The input of the mouse 6b may be replaced by keyboard input. The examiner 14 operates the mouse 6b, and the subject inputs a voice response to the microphone 6c. The mouse 6b of the operation body 6 may be another device (a pointing device, a lever, various controllers, etc.).

  Furthermore, when the examiner 14 is not disposed near the subject 2, the controller device 5 may be connected to the visual target presentation device 3 via a network so that the controller device 5 can be remotely operated.

  As shown in FIG. 3, the storage unit 16 is a parameter of the optical characteristic of the optical element corresponding to the right eye, the left eye, or both eyes, which is input by the manual operation of the operation panel 6a or the manual operation of the mouse 6b. Can be stored as optical characteristic data, and can be displayed on the display screen 3a or the display screen 12a.

  Note that which of the right eye, the left eye, or both eyes to which the parameter of the optical characteristic is to be changed can be switched by clicking the scroll wheel or the like. For example, by default, the right eye, the left eye with one click of the scroll wheel of the mouse 6b, and the optical element corresponding to both eyes with one click of the scroll wheel can be changed.

  The arithmetic control circuit unit 15 has a function of controlling the correction device 4 based on an operation command of the operation main body unit 6 and a function of controlling the visual target presentation device 3 and the monitor unit 12.

  Various images, optical characteristic data, operation information and the like can be displayed on the display screen 12 a of the monitor unit 12 by the operation of the mouse 6 b or the like.

  As shown in FIG. 4, at the lower part of the display screen 12a of the monitor unit 12, a list of a plurality of visual target chart images showing visual target charts 3a-1 which can be presented on the display screen 3a of the visual target presenting device 3 is displayed. A list display area 20 or the like is provided.

  The main display area 17 is an area for displaying optical characteristic data corresponding to a refractive power which is an optical characteristic such as a spherical power, an astigmatic power and an axial angle of a lens as an optical element set in the eye examination windows 11a and 11a. .

  Here, the items of spherical power, astigmatism, axial angle, and addition diopter of the refractive power of the lens are displayed in the main display area 17, corresponding to the right eye and the left eye of the subject 2. The numerical values of the optical characteristic data currently set in the optometry windows 11a and 11a are displayed for each item.

   When the list display area 20 or the like is manipulated by the examiner 14 or the like by the examiner 14 or the like, the operation control circuit unit 15 executes a process corresponding to this operation, corresponding to this operation. The visual target chart 3 a-1 is displayed on the display screen 3 a of the visual target presenting device 3.

  When the Landolt's ring is selected from the list display area 20 by the mouse 6b, the arithmetic control circuit unit 15 controls to display the Landolt's ring on the display screen 3a of the visual target presenting device 3 as shown in FIG.

  The arithmetic control circuit unit 15 controls the display screen 3 a to display a moving mouse pointer corresponding to the movement of the mouse 6 b. Further, the arithmetic control circuit unit 15 receives the selection operation of the Landolt ring via the movement and the click of the mouse pointer of the mouse 6b. This process corresponds to S1 of FIG. 9 described later.

  The selection of the Landolt ring may be performed by the wheel rotation of the mouse 6b. For example, as the wheel rotates downward, the Landolt's ring may be selected sequentially from the top to the bottom (in the direction in which the eyesight rises), or from the left to the right (in the direction of scanning all Landolt rings).

  Arithmetic control circuit unit 15 is a graphic showing the selection operation result of the Landolt ring accepted via mouse 6b, on display screen 3a selected by movement of the mouse pointer on display screen 3a by mouse 6b and left click The visual target presentation device 3 is controlled to display a graphic of an encircling line indicating the Landolt ring of This process corresponds to S2 of FIG. 9 described later.

  The arithmetic control circuit unit 15 causes the subject 2 to select the visual result of the cut direction of the Landolt ring selected by the operation of the mouse 6 b by the examiner 14 and displays a graphic for guiding an option for answering by voice. The visual target presentation device 3 is controlled. This process corresponds to S3 of FIG. 9 described later.

  When the arithmetic and control circuit unit 15 receives an answer input of the visual recognition result by the subject's eye to the Landolt ring through the microphone 6c, the arithmetic control circuit unit 15 recognizes the received visual recognition result as voice, and cuts off the Landolt ring as a graphic showing the visual result. The visual target presentation device 3 is controlled to display a graphic indicating the direction of This process corresponds to S4 in FIG. 9 described later.

  As shown in FIG. 5, an encircling line X is displayed on the display screen 3a, which indicates that the Landolt's ring in the upper left corner is selected as a visual target by the drag operation of the pointer by the mouse 6b. Also, as shown in FIG. 5, four guide graphics of options “U” U, “Migi” R, “Da” D, and “Hidari” L, which can correspond to the visual results of the Landolt ring break, are displayed. .

  The subject reads out one of the four options U, R, D, and L shown in the graphic, which corresponds to his / her visual result. Here, the input voice of "hidden" to the microphone 6c is voice-recognized, and according to this, a graphic of an arrow "←" indicating "hidden" which is a direction corresponding to the visual result of the break is displayed Indicates Note that the display may be highlighted by highlighting the display of the option "hidori" L corresponding to the recognition voice.

  On the other hand, when the segment radiation type astigmatic table is selected from the list display area 20, the arithmetic control circuit unit 15 displays the astigmatic table on the display screen 3a of the visual target presentation device 3 as shown in FIG. Control. This process corresponds to S1 of FIG. 9 described later.

  The arithmetic control circuit unit 15 receives selection of line segment numbers from the mouse 6 b as an astigmatic table recognition target by the subject's eye. This process corresponds to S2 of FIG. 9 described later.

  The arithmetic control circuit unit 15 displays the encircling line at the selected number to present it as an option of the result of visual recognition of the line segment by the subject 2 (which line segment looks thick). These options are displayed on the dominant eye, the subject eye, or both targets. This process corresponds to S3 of FIG. 9 described later.

  The arithmetic control circuit unit 15 receives, through the microphone 6c, an utterance of a line number such as "2" in which the subject 2 looks the thickest among the options as an answer of the visual result of the subject's eye to the astigmatism table. Voice recognition. The arithmetic control circuit unit 15 controls the visual target presentation device 3 to display a graphic indicating the number of a line segment indicated by voice recognition. This process corresponds to S4 in FIG. 9 described later.

  In FIG. 6, “1”, “2”, “3”, “4”, “5”, and “6” selected by the mouse 6 b are shown by boxed lines Z1 to Z6, and these are the subjects 2 A graphic showing that it is an option to be answered is shown on the display screen 3a. Further, in FIG. 7, the inside of the box Z2 of “2” is highlighted as the recognition result of the response voice to the microphone 6 c by the subject 2.

  On the other hand, when the arithmetic control circuit unit 15 selects an inequalities visual inspection test target (herein referred to as a U-shaped index in this specification) from the list display area 20, as shown in FIG. Control is performed to display a letter mark on the display screen 3 a of the presentation device 3. This process corresponds to S1 and S2 in FIG. 9 described later.

  The arithmetic control circuit unit 15 displays the options “same” I1, “left large” I2, “right large” I3 indicating the difference between the appearance of the left and right U-shaped visual indicators on the display screen 3a together with the U-shaped visual indicators. indicate. This process corresponds to S3 of FIG. 9 described later.

  The arithmetic control circuit unit 15 selects one of the options “same” I1, “left large” I2, and “right large” I3 with respect to the difference in the size of the left and right U-shapes as a visual result for the U-character visual target. When the answer corresponding to is received through the microphone 6c and voice recognition is performed, the visual target presenting device 3 may be controlled to display a graphic indicating the selected option by highlighting.

  In the part (a) of FIG. 7, the size of the letter L seen only with the left eye and the letter R seen with the right eye is “same” as seen from the subject 2 and “same” I1 'S answer indicates that speech recognition has been performed.

  Furthermore, when the difference in size answered in the voice is “left large” I2 or “right large” I3, the operation control circuit unit 15 has an option “line half” D1 indicating the degree of the difference, “line 1 The display screen 3a of the visual target presenting device 3 is controlled to display the book D2 and the line 1.5 D3.

  The arithmetic control circuit unit 15 receives a selection of a desired option from among the options indicating the degree of difference in size, and recognizes the voice by voice response to the microphone 6c. This process corresponds to S4 in FIG. 9 described later.

  In the part (b) of FIG. 7, the option D1 indicating that the left U-shaped L looks larger than the right U-shaped R by half as a line is recognized as the answer voice from the subject. Is shown.

  In part (c) of FIG. 7, option D2 indicating that the left U-shaped L looks larger by one line than the right U-shaped R is recognized as the answer voice from the subject. Show that.

  On the other hand, when the hiragana mark is selected from the list display area 20, the arithmetic control circuit unit 15 controls to display the hiragana mark on the display screen 3a of the mark presenting device 3 as shown in FIG. .

  When an arbitrary hiragana to be viewed is selected by the input operation to the mouse 6b, the arithmetic control circuit unit 15 displays a graphic indicating the selected hiragana.

  For example, as shown in FIG. 8, an encircling line is displayed around the visual target hiragana at the current position of the mouse cursor M moved by the input operation to the mouse 6b.

  Further, eight reading options indicating the reading of the viewing target hiragana are displayed on the display screen 3a together with the hiragana target. One of the eight reading options is identical to the hiragana of the current position of the mouse cursor, and the other seven options are hiragana different from the hiragana of the current position of the mouse cursor. Reading options are displayed in a size equal to or larger than a visual target hiragana at the current position of the mouse cursor M so as to be readable even when the subject's visual acuity is low. Another hiragana reading option may be displayed at a size equal to or larger than that of the hiragana that has already obtained the correct answer.

  The subject answers the reading of the hiragana to be viewed by uttering the same reading option as the hiragana to be viewed having an enclosure line. The arithmetic control circuit unit 15 receives an input of an answer voice of a result of visual recognition by the eye to the hiragana target via the microphone 6c, and recognizes the voice. Then, the arithmetic control circuit unit 15 controls the visual target presentation device 3 to display a graphic (such as highlighting or blinking of the option) indicating the option indicated by the voice recognition. The visual target presentation device 3 may be controlled to display a graphic showing readable or unreadable of hiragana visual targets as graphic showing the correctness of the received input result. As described above, even in the case of a hiragana target, it is possible to display the option of the voice response together with the target on the display screen 3a, and the recognition rate of the voice response of the subject along the option is improved. Do.

  The above process is summarized as shown in FIG. FIG. 9 shows the flow of processing by the operation control circuit unit 15. A program for causing the operation control circuit unit 15 (processor such as a CPU) to execute this process is stored in a non-transitory tangible medium such as the storage unit 16 (ROM). This process can be repeated according to an arbitrary instruction of the subject.

  In S1, the arithmetic control circuit unit 15 receives a selection operation of a desired visual target from the list display area 20 of the display screen 12a of the monitor unit 12 via the mouse 6b. The arithmetic control circuit unit 15 causes the visual index chart 3 a-1 selected via the mouse 6 b to be displayed on the display screen 3 a of the visual target presentation device 3.

  In S2, the calculation control circuit unit 15 receives, through the mouse 6b, the selection of a target to be visually recognized by the subject eye from the target chart 3a-1.

  In S3, the arithmetic control circuit unit 15 displays a graphic indicating a target to be visually recognized on the display screen 3a. In addition, the calculation control circuit unit 15 may display an option corresponding to the visual recognition result on the display screen 3a.

  In S4, the arithmetic control circuit unit 15 voice-recognizes the answer indicating the result of visual recognition of the visual target by the subject eye, which is input through the microphone 6c. The calculation control circuit unit 15 may display a graphic indicating the result of speech recognition on the display screen 3a. After this, the examiner 14 may operate the mouse 6b to perform an operation of updating parameters of various optical characteristic data set in the optometry windows 11a and 11a.

  By the above processing, since the arithmetic control circuit unit 15 displays a graphic indicating options of the visual recognition result of the visual target to be visual recognition target, it is possible to obtain an accurate answer matching the examination content from the subject. Therefore, the subjective test can be smoothly performed regardless of the proficiency level of the examiner. Further, if the visual recognition result of the visual target is voice-recognized and the input visual recognition result is displayed on the display screen 3a of the visual target presenting device 3, the examiner can accurately grasp the answer from the subject. In addition, in order to display on the display screen 3a an option for causing the subject to answer the visual result of the visual object in voice, the answer voice from the subject after seeing the option becomes clear, and the microphone 6c The recognition rate of the answer voice input through is improved.

DESCRIPTION OF SYMBOLS 1 ... Subjective type optometry apparatus, 3 ... Target | marker presentation apparatus, 6 ... Operation main-body part, 15 ... Arithmetic control circuit part

Claims (8)

A target presenting apparatus having a display unit for displaying a target to be presented to the subject's eye, and an optical element for correcting the visual function of the subject's eye selectively between the subject's eye and the target presenting apparatus An optical element arranging device which can be arranged; an audio input unit which receives an audio input of a result of visual recognition by the eye to be examined with respect to the visual target; Equipped
The control unit controls the visual target presentation device to display a graphic indicating an option for causing the subject to answer the visual result of the visual target with the visual target together with the visual target, and the voice input unit The optometry apparatus which identifies the visual recognition result of the said visual target based on the audio | voice input from. The target is a Landolt ring,
The control unit controls the visual target presentation device to display a graphic indicating a Landolt ring to be viewed by the subject's eye and a graphic indicating a choice of a break direction of the Landolt ring to be viewed by the subject's eye. Item 1. The optometer according to item 1. The target is a radiation type astigmatism chart,
The said control part controls the said visual target presentation apparatus to display the graphic which shows the choice of the line segment visually recognized thicker than another line segment by the said to-be-tested eye in the said radiation type astigmatism chart. Optometry device. The visual target is an uneven vision visual inspection target,
The control unit is configured such that a pair of U-shapes forming the inhomogeneous visual vision inspection target are visually recognized in the same size by left and right subject eyes, or one U-shape is larger than the other The optometry apparatus according to claim 1, wherein the optotype presenting device is controlled to display a graphic indicating an option to be visually recognized.   When the option in which the one U character is recognized larger than the other U character is voice-recognized as a visual recognition result, the control unit is configured to select the size of the one U character and the other U character Controlling the visual target presentation device to display a graphic showing options of the degree of difference of the distance, and based on the voice input from the voice input unit, the one U-shape and the other U-shape 5. The optometer according to claim 4, wherein the audio corresponding to the choice of the degree of difference in the size of the character is recognized. The target is a hiragana target,
The optometry apparatus according to claim 1, wherein the control unit controls the visual mark presenting apparatus to display a graphic indicating an option of reading a hiragana to be viewed by the eye on the hiragana visual target. A target presenting apparatus having a display unit for displaying a target to be presented to the subject's eye, and an optical element for correcting the visual function of the subject's eye selectively between the subject's eye and the target presenting apparatus An optical element arranging device which can be arranged; an audio input unit which receives an audio input of a result of visual recognition by the eye to be examined with respect to the visual target; In the provided optometry apparatus,
The control unit controls the visual target presentation device to display a graphic indicating an option for causing the subject to answer the visual result of the visual target with the visual target together with the visual target, and the voice input unit An optometry method of identifying the visual result of the visual target on the basis of the voice input from.   An optometry program for making the optometer perform the optometry method according to claim 7.

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