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WO2018030818A1 - Appareil automatique de mesure du strabisme. - Google Patents

Appareil automatique de mesure du strabisme. Download PDF

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Publication number
WO2018030818A1
WO2018030818A1 PCT/KR2017/008695 KR2017008695W WO2018030818A1 WO 2018030818 A1 WO2018030818 A1 WO 2018030818A1 KR 2017008695 W KR2017008695 W KR 2017008695W WO 2018030818 A1 WO2018030818 A1 WO 2018030818A1
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WO
WIPO (PCT)
Prior art keywords
displacement
eye
glass
eyes
shielding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/008695
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English (en)
Korean (ko)
Inventor
문성혁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industry Academic Cooperation Foundation of Inje University
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Industry Academic Cooperation Foundation of Inje University
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Publication date
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Publication of WO2018030818A1 publication Critical patent/WO2018030818A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/08—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
    • A61B3/085—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus for testing strabismus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/08—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14—Arrangements specially adapted for eye photography

Definitions

  • the present invention relates to a device for measuring the strabismus of the eye, and more particularly, to an automatic strabismus measuring mechanism capable of accurately determining the degree of strabismus of both eyes by objectively measuring the displacement of the eye.
  • Strabismus is a condition in which two eyes are not aligned and look at different points, and when one eye is looking straight ahead, the other eye moves inward or outward, or moves up or down, causing eye displacement. .
  • latent esotropia hepatic hemorrhage or son-in-law
  • eye displacement does not occur normally, but eye displacement occurs when fatigue or disturbance of binocular fusion appears, causing symptoms.
  • the alternate prism masking test is used to measure the angle of deviation, the degree of eyeball displacement.
  • the alternate prism obstruction test method depends on the experience and subjective judgment of the examiner, and there is a problem in that accurate and objective diagnosis is difficult because the difference in the measured value may be relatively large depending on the examiner.
  • Korean Patent No. 10-0949743 is disclosed as a technique related to a conventional perspective measurement apparatus.
  • the conventional strabismometry device is a method of measuring the displacement of the eyes by showing the movement of both pupils as an image, it may be difficult to determine the strabismus that appears as a disturbance of the fusion of the two eyes, such as latent radiation, it is impossible to determine the correct strabismus
  • the disadvantage is that.
  • the present invention was created to solve the problems described above, and is easy to measure the eye displacement represented by a special strabismus, and the object of the present invention is to provide an automatic measuring instrument with improved accuracy by minimizing the deviation of the eye displacement measurement. have.
  • an automatic measuring device wherein an internal space is formed therein, and a frame including an alternative hole formed at one side contacting both eyes and an observation hole formed at the other side;
  • a spectroscopic glass provided in an inner space of the frame, disposed to correspond to the front of both eyes, and provided to be inclined;
  • Recognition cameras respectively provided on an upper side of the spectroscopic glass and photographing both eyes through the spectroscopic glass;
  • a shielding control device provided in the observation hole to selectively shield the observation hole;
  • a displacement analyzer connected to the recognition camera and analyzing displacements of both eyeballs generated by the shielding control device, respectively.
  • the displacement analysis unit may measure the strabismus by analyzing the displacement of both eyes generated by the shielding control device, respectively.
  • the spectroglass may transmit a portion of light, and the portion of the light may be spectrally reflected to 90 degrees.
  • the spectroscopic glass may include a left spectroscopic glass provided in front of the left eye and a right spectroscopic glass provided in front of the right eye.
  • the recognition camera may include a left recognition camera provided on the upper side of the left spectroscopic glass and a right recognition camera provided on the upper side of the right spectroscopic glass.
  • the shielding control device is disposed in front of the left eye, the left shielded glass composed of LCD glass, the right shielded glass disposed in front of the right eye, composed of LCD glass, the left shielded glass, and
  • the right shielding glass may include a shielding adjustment unit for selectively controlling the transparent and opaque, respectively.
  • the shielding control device, the first dissociation step of shielding the left eye for a predetermined time, and when recognizing the movement of the left eye shielded from the first dissociation step, the second dissociation of shielding the right eye for a predetermined time may be selectively shielded by using a shielding control method comprising the step.
  • the displacement analyzer may further include a reference point setter that sets a point of the eye as a reference point, and a left eye displacement that records the displacement of the left eye generated from the first and second dissociation steps based on the reference point.
  • a left eye strabismus analysis unit for analyzing the strabismus of the left eye according to a recording unit, a left eye displacement recorded by the left eye displacement recording unit, and the second dissociation step and the first dissociation step based on the reference point.
  • the right eye displacement recording unit for recording the displacement of the right eye and right eye deviation analysis unit for analyzing the strabismus of the right eye according to the displacement of the right eye recorded in the right eye displacement recording unit.
  • the left eye perspective analysis unit may include a left eye horizontal displacement analysis unit analyzing the left eye displacement based on the X axis, and a left eye vertical displacement analysis unit analyzing the left eye displacement based on the Y axis.
  • the right eye perspective analysis unit may include a right eye horizontal displacement analysis unit analyzing the right eye displacement based on the X axis, and a right eye vertical displacement analysis unit analyzing the right eye displacement based on the Y axis. .
  • the isometric automatic measuring mechanism is provided on the frame, it is preferable to further include a tilt determination device for measuring the tilt direction of the frame.
  • the inclination judging device is composed of a gyro sensor, the direction recognition unit for recognizing nine directions of the upper, upper right, left upper, front, right, left, lower, lower right, lower left, and from the direction recognition unit It may include an alarm unit for alerting when the recognized direction coincides with the preset direction.
  • the striking automatic measuring device is provided between the spectroscopic glass and the shielding control device, respectively, is provided to be detachable, it is preferable to further include a refractive correction to correct the eyesight of both eyes.
  • the perspective auto-measuring mechanism is preferably disposed in front of the frame, and further comprises an image output device for outputting the image to be viewed by both eyes.
  • an image of a left eye and a right eye can be taken by a recognition camera, and the eye displacement of both eyes can be objectively determined.
  • the shielding control device selectively shields both eyes, the eye displacement can be measured by dissociating both eyes. Therefore, when it does not appear normally or the indication is small, the intermittent strabismus, the inclination, and the head appear as dissociating both eyes. Special strabismus, such as paralytic strabismus, can be judged.
  • the inclination determination device determines the inclination of the head by the inclination determination device to measure the perspective angle in nine directions.
  • the refractive correction is provided to enable the measurement of eyesight of the subjects needing vision correction, and can be applied to various subjects.
  • FIG. 1 is a perspective view of an automatic perspective measurement apparatus according to an embodiment of the present invention
  • Figure 2 is a rear view of the isometric automatic measuring mechanism shown in Figure 1,
  • FIG. 3 is a configuration diagram schematically showing the configuration of the automatic strabismus measuring mechanism shown in FIG. 1;
  • FIG. 4 is a flow chart sequentially showing a shielding control method of the automatic strabismus measuring mechanism shown in FIG.
  • FIG. 5 is a configuration diagram showing the configuration of the displacement analysis unit shown in FIG.
  • FIG. 6 is a block diagram showing the configuration of the left eye perspective analysis of the displacement analysis unit shown in FIG.
  • FIG. 7 is a block diagram showing the configuration of the right eye perspective analysis unit shown in FIG.
  • the automatic strabismus measuring device 10 includes a frame 100, a spectroscopic glass 200, a recognition camera 300, a shielding control device 400, and a displacement.
  • the analysis unit 500, the tilt determination device 600, the refractive correction unit 700, and the image output device 800 are included.
  • the frame 100 has an internal space 110 formed therein and is configured to be in close contact with the front of both eyes.
  • the alternative hole 111h is preferably formed at one side of the frame 100 to be in contact with both eyes.
  • the alternative holes 111h are formed to be in contact with the left eye and the right eye, respectively, and are connected to each other.
  • the observation hole 112h is formed at the other side of the frame 100 and is formed in front of both eyes in contact with the alternative hole 111h so that the examinee of the frame 100 passes through the observation hole 112h. You can look ahead.
  • the frame 100 may be placed in front of the object so that the object can be scanned in the far and near in order to measure strabismus for both eyes of the subject. That is, the examinee may observe the object in front of the frame 100 through the observation hole 112h.
  • the observation hole 112h may be formed in the left eye and the right eye, respectively. More preferably, the observation hole 112h may be provided with an image output device 800 to be described later, so that the examinee may be configured to observe an image output from the image output device 800.
  • the spectroscopic glass 200 is provided in the internal space 110 of the frame 100.
  • the spectroscopic glass 200 is disposed to correspond to the front of both eyes, and is provided to be inclined.
  • the spectroscopic glass 200 may transmit a portion of light and reflect a portion of the light at 90 degrees. That is, the examinee may observe the front of the frame 100 through the spectroscopic glass 200, and the recognition camera 300, which will be described later, may photograph both eyes of the examinee through the spectroscopic glass 200. have.
  • the spectroscopic glass 200 is preferably disposed to be inclined upward by 45 degrees from one side of the frame 100 to the other side.
  • the spectroscopic glass 200 may include a left spectroscopic glass 200a provided in front of the left eye of the subject in both eyes, and a right spectroscopic glass 200b provided in front of the right eye of the subject in both eyes. .
  • the recognition camera 300 is provided on the upper side of the spectroscopic glass 200, and photographs both eyes through the spectroscopic glass 200.
  • the recognition camera 300 may include a left recognition camera 300a provided on the upper side of the left spectral glass 200a and a right recognition camera 300b provided on the upper side of the right spectral glass 200b. have. That is, the left recognition camera 300a may capture the movement of the left eye from the left spectral glass 200a, and the right recognition camera 300b may capture the movement of the right eye from the right spectral glass 200b. have.
  • the spectroscopic glass 200 is disposed to be inclined upward by 45 degrees from one side of the frame 100 to the other side, and the recognition camera 300 is described as being disposed above the spectroscopic glass 200.
  • the present invention is not limited thereto, and the spectroscopic glass 200 is disposed to be inclined upward by 45 degrees from one side of the frame 100 to the one side, so that the recognition camera 300 is disposed below the spectroscopic glass 200. You may be able to.
  • the shielding control device 400 is provided in the internal space 110 of the frame 100 and is provided on the side of the observation hole 112h to selectively shield a part of the observation hole 112h. That is, the shielding control device 400 may shield the left eye and the right eye by selectively shielding the observation hole 112h.
  • the shielding control device 400 may include a left shielding glass 400a, a right shielding glass 400b, and a shielding adjusting unit 410.
  • the left shielding glass 400a is disposed in front of the left eye and is composed of LCD glass.
  • the right shielding glass 400b is disposed in front of the right eyeball and consists of LCD glass.
  • the shield adjusting unit 410 selectively controls the left shielding glass 400a and the right shielding glass 400b to be transparent and opaque, respectively. That is, the left shielding glass 400a and the right shielding glass 400b are selectively controlled to be transparent opaque by the shielding adjusting unit 410, respectively, to selectively shield the left eye and the right eye.
  • the left shielding glass 400a and the right shielding glass 400b are glass to which a special LCD film having a conductive film is attached, and the left shielding glass 400a and the right shielding glass are made by the shield adjusting unit 410.
  • control can be made transparent and opaque.
  • the shielding control device 400 is composed of LCD glass, and by controlling the left shielding glass 400a and the right shielding glass 400b to be transparent and opaque, it is preferable to shield both eyes, respectively.
  • the present invention is not limited thereto, and may be configured as a blocking film that moves between the through holes 112h and selectively shields a part of the through holes 112h. That is, the shielding control device 400 may be easily changed and applied to other forms that can selectively shield the left eye and the right eye, respectively.
  • the shielding control device 400 may selectively shield both eyes by using a shielding control method (S410).
  • the shielding control method S410 may include a primary dissociation step S411 and a secondary dissociation step S412.
  • the left eye is shielded for a preset time.
  • the primary dissociation step (S411) is to dissociate both eyes by shielding the left eye. That is, in the first dissociation step S411, the left shielding glass 400a may be controlled to be opaque, and the right shielding glass 400b may be controlled to be transparent to shield only the left eye.
  • the primary dissociation step (S411) the left eye is dissociated from the right eye and eyeball displacement occurs. At this time, the right eye gazes at the object in front of the frame 100 so that no movement occurs.
  • the second dissociation step (S412) when recognizing the movement of the left eye from the first dissociation step (S411), shields the right eye for a predetermined time.
  • the secondary dissociation step (S412) dissociates both eyes by shielding the right eye. That is, in the secondary dissociation step S412, the right shielding glass 400b may be opaque and the left shielding glass 400a may be transparent to shield only the right eyeball.
  • the second dissociation step (S412) the right eye is dissociated from the left eye to generate eye displacement. At this time, the left eye moves after the eyeball displacement occurs in the first dissociation step (S411) in order to replay the object in front of the frame 100, and no movement occurs.
  • the primary dissociation step (S411) is repeated again. That is, the left eye is shielded again for a preset time. Accordingly, the right eye is moved as much as the eye displacement occurs from the secondary dissociation step (S412) in order to replay the object in front of the frame 100.
  • the first dissociation step (S411) and the second dissociation step (S412) are for confirming the occurrence of eyeball displacement by dissociating both eyes, and may be repeatedly performed according to the purpose of strabismus measurement.
  • the displacement analysis unit 500 is connected to the recognition camera 300 to analyze the displacement of both eyes generated by the shielding control device 400, respectively. That is, the displacement analysis unit 500 may analyze the deviation of both eyes by analyzing the displacement of both eyes.
  • the displacement analyzer 500 includes a reference point setting unit 510, a left eye displacement recording unit 520, a left eye deviation analysis unit 530, a right eye displacement recording unit 540, and a right eye deviation analysis unit 550. It may include.
  • the reference point setting unit 510 sets a point of both eyes as a reference point.
  • the reference point may selectively set a center or another point of the corneal limbus of both eyes based on the anterior eye image of both eyes received from the recognition camera 300.
  • the left eye displacement recording unit 520 records the displacement of the left eye generated from the first dissociation step S411 and the second dissociation step S412 based on the reference point.
  • the left eye displacement recording unit 520 the left eye displacement caused by the dissociation of both eyes in the first dissociation step (S411) and to re-remove the object in the second dissociation step (S412) Record the displacement of.
  • the left eye perspective analysis unit 530 analyzes the left eye's strabismus according to the displacement of the left eye recorded in the left eye displacement recording unit 520.
  • the left eye perspective analysis unit 530 may include a left eye horizontal displacement analyzer 531 and a left eye vertical displacement analyzer 532.
  • the left eyeball horizontal displacement analyzer 531 is for analyzing horizontal strabismus of the left eyeball.
  • the left eyeball horizontal displacement analyzer 531 records from the left eyeball displacement recorder 520.
  • the displacement of the left eyeball is analyzed based on the X axis. That is, the left eyeball horizontal displacement analysis unit 531 grasps the degree of horizontal strabismus of the left eye, thereby objectively analyzing the horizontal strabismus of the left eyeball.
  • the left eyeball vertical displacement analyzer 532 is for analyzing the vertical strabismus of the left eyeball.
  • the left eyeball vertical displacement analyzer 532 records from the left eyeball displacement recorder 520.
  • the left eye displacement is analyzed based on the Y axis.
  • the right eye displacement recording unit 540 records the displacement of the right eye generated from the second dissociation step (S412) and the first dissociation step (S411) based on the reference point. That is, the right eye displacement recording unit 540, the displacement of the right eye generated by dissociating both eyes in the second dissociation step (S412), and the first dissociation step (S412) repeated after the second dissociation step (S412) In S411) records the displacement of the right eye to move to re-target the object.
  • the right eye perspective analysis unit 550 analyzes the right eye strabismus according to the displacement of the right eye recorded in the right eye displacement recording unit 540.
  • the right eye perspective analysis unit 550 may include a right eye horizontal displacement analyzer 551 and a right eye vertical displacement analyzer 552.
  • the right eye horizontal displacement analyzer 551 analyzes the horizontal strabismus of the right eye.
  • the right eye horizontal displacement analysis unit 551 is recorded from the right eye displacement recording unit 540.
  • the right eye displacement is analyzed based on the X axis.
  • the right eye vertical displacement analyzer 552 analyzes the vertical strabismus of the right eye.
  • the right eye vertical displacement analyzer 552 is recorded from the right eye displacement recording unit 540.
  • the displacement of the right eye is analyzed based on the Y axis.
  • the right eye vertical displacement analyzer 552 determines the degree of vertical strabismus of the right eye so that the vertical strabismus of the right eye can be analyzed objectively.
  • the horizontal and vertical strabismus of both eyes can be grasped through the displacement analyzer 500, so that accurate judgment can be performed even in case of a special strabismus such as paralysis or dissociative strabismus with different angles of deviation.
  • the tilt judging device 600 is provided in the frame 100 to measure the tilt direction of the frame 100. That is, the inclination determining apparatus 600 may determine the inclination of the subject by measuring the inclination direction of the frame 100.
  • the tilt judging device 600 may include a direction recognition unit 610 and an alarm unit 620.
  • the direction recognition unit 610 is composed of a gyro sensor, which can determine the inclination of the frame 100, the upper, upper right, upper left, front, right, left, lower, right lower, left lower 9 The direction of branch inclination can be recognized.
  • the alarm unit 620 alerts when the direction recognized by the direction recognition unit 610 coincides with a preset direction.
  • the alarm unit 620 may generate a warning sound so that the examinee or inspector can check or apply an alarm lamp to operate. That is, when the inclination direction recognized by the direction recognition unit 610 coincides with a preset direction, the alarm unit 620 may operate a warning sound and an alarm lamp to check a subject or an inspector.
  • the refraction correction unit 700 is for correcting the eyesight of the subject, and is composed of a spherical lens provided between the spectroscopic glass 200 and the shielding control device 400.
  • the spherical lens may include a left spherical lens 700a disposed in front of the left eye and a right spherical lens 700b disposed in front of the right eye.
  • the left spherical lens 700a and the right spherical lens 700b may be provided to be detachable from each other. Accordingly, strabismus may be measured in a state in which eyesight of both eyes of a subject is corrected.
  • the refractive correction unit 700 is not limited to the detachable spherical lens, but configured to form a space between the alternative hole 111h and the spectroscopic lens 200 so that the subject wears glasses. It may be adapted to wear the strabismus measuring instrument 10.
  • the image output apparatus 800 is disposed in front of the frame 100 to output and display an image to be observed by both eyes. That is, the image output device 800 may be provided in the through hole 112h of the frame 100 to output and display an image to be examined by the examinee. The image output device 800 may output an image so that an object of a remote and a short distance can be observed using a virtual reality program. By using the image output through the image output device 800 can determine the exact position of the object to be observed, it is possible to measure the exact perspective angle.
  • the image output device 800 is provided in the through hole 112h to output an image
  • the present invention is not limited thereto, and the image output device 800 is spaced apart from the frame 100 to output an image from the front of the frame 100. May be applied to observe the image through the through hole 112h.
  • the image output from the image output device 800 may be changed in various ways according to the objective measurement of the subject.
  • the frame 100 may further include a fixing band (not shown) for stably fixing the frame 100 to the head of the subject.
  • a fixing band (not shown) for stably fixing the frame 100 to the head of the subject.
  • the method of stably fixing the frame 100 to the subject is not limited to the fixing band, but may be applicable in various forms that can be safely supported.
  • the image of the left eye and the right eye can be taken by the recognition camera 300, and the eye displacement of both eyes can be objectively determined.
  • the shielding control device 400 selectively shields both eyes, the eyes can be measured by dissociating both eyes. Therefore, when it does not appear normally or the amount is small, the intermittent isotropy and obliqueness that appear by dissociating both eyes, Special strabismus judgments can be made, such as numbness with head tilted or turned to maintain orientation.
  • the inclination determination device 600 is provided to determine the inclination of the head, it is possible to measure the perspective angle in nine directions, in particular it is possible to accurately measure the perspective angle from the front.
  • the refractive correction unit 700 since the refractive correction unit 700 is provided, it is possible to measure a subject in need of vision correction and can be applied to various subjects, thus having high utilization.
  • 400a Left side shielded glass
  • 400b Right side shielded glass
  • shielding adjustment unit 500 displacement analysis unit
  • left eye deviation analysis unit 531 left eye horizontal displacement analysis unit
  • left eye vertical displacement analysis unit 540 right eye displacement recorder
  • right eye strabismus analysis unit 551 right eye horizontal displacement analyzer

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Abstract

Selon la présente invention, un appareil de mesure du strabisme automatique comprend : un cadre ayant un espace à l'intérieur de celui-ci, et comprenant un trou oculaire sur le côté qui entre en contact avec les deux yeux et un trou d'observation de l'autre côté; des lunettes spectrales disposées dans l'espace intérieur du cadre, agencées de façon à correspondre aux parties avant des deux yeux, et de manière à être inclinées; des caméras de reconnaissance respectivement disposées sur les côtés supérieurs des lunettes spectrales de façon à photographier respectivement les deux yeux à travers les lunettes spectrales; un dispositif de commande de protection est disposé dans le trou d'observation de façon à protéger sélectivement le trou d'observation; et une unité d'analyse de déplacement reliée aux caméras de reconnaissance, et analysant respectivement le déplacement, généré par le dispositif de commande de protection des deux globes oculaires.
PCT/KR2017/008695 2016-08-10 2017-08-10 Appareil automatique de mesure du strabisme. Ceased WO2018030818A1 (fr)

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CN109394167A (zh) * 2018-11-29 2019-03-01 刘东光 一种具有斜视自动检测机构的检查仪及其检查方法
CN113576395A (zh) * 2021-07-05 2021-11-02 温州医科大学附属眼视光医院 一种用于旋转斜视的检查测试仪
CN113974548A (zh) * 2021-11-29 2022-01-28 武汉普瑞眼科医院有限责任公司 一种眼科检查用承托装置
WO2022139692A1 (fr) * 2020-12-21 2022-06-30 Hajjo Samer Dispositif de mesure de strabisme et d'évaluation du mouvement oculaire

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KR102029423B1 (ko) * 2018-03-16 2019-10-07 김선호 시각장애 예방 및 치료장치
KR102112339B1 (ko) 2018-03-16 2020-05-18 김선호 사시각 자동 측정방법과 이를 이용한 사시각 자동 측정장치
KR102209573B1 (ko) * 2019-04-25 2021-02-01 주식회사 티아이 사시 중등도 평가장치 및 방법
KR20220168883A (ko) 2021-06-17 2022-12-26 충남대학교병원 사시선별검사 방법 및 이를 위한 장치
KR102787734B1 (ko) * 2022-02-11 2025-03-31 주식회사 티아이 탈부착이 가능한 사시 측정 장치

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