WO2015078720A1 - Verfahren zur sehzeichendarstellung, sehzeichendarstellung, dazugehörige verwendung und bildausgabegerät - Google Patents
Verfahren zur sehzeichendarstellung, sehzeichendarstellung, dazugehörige verwendung und bildausgabegerät Download PDFInfo
- Publication number
- WO2015078720A1 WO2015078720A1 PCT/EP2014/074805 EP2014074805W WO2015078720A1 WO 2015078720 A1 WO2015078720 A1 WO 2015078720A1 EP 2014074805 W EP2014074805 W EP 2014074805W WO 2015078720 A1 WO2015078720 A1 WO 2015078720A1
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- WIPO (PCT)
- Prior art keywords
- visual
- optotypes
- test
- eye
- image
- Prior art date
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Classifications
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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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
-
- 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
- A61B3/0016—Operational features thereof
- A61B3/0041—Operational features thereof characterised by display arrangements
-
- 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
- A61B3/022—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing contrast sensitivity
-
- 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
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
-
- 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
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
Definitions
- the invention relates to a method for visual indication via an image output device for a visual acuity test and / or the determination of a refraction.
- the invention also relates to an associated Seh Lawrencedarwolf, an image output device and the use of a Seh Lawrencederwolf.
- the first eye is examined first while the second eye is covered.
- the second eye is then tested while the first eye is covered.
- This procedure takes a relatively long time and also fatigues the eyes of a subject in the course of the eye test procedure, which can lead to measurement errors.
- monocular examination of the eyes for example, cyclophores (curls) of the eye can arise, which can then lead to incorrect cylinder values.
- the invention has for its object to remedy the disadvantages of the prior art remedy.
- the entire human visual system including its highest developed form, the three-dimensional, stereoscopic vision, is addressed and a natural vision is made possible during an eye test as far as possible.
- This allows particularly advantageous eye tests and thus ultimately a spectacle lens correction which is particularly advantageous for a spectacle wearer.
- the image output device may be a 3D monitor or a 3D TV.
- Such an image output device allows visual display in a particularly simple manner, since no expensive and special equipment for performing an eye test by, for example, an optician must be purchased.
- filters with circular polarization or shutter glasses are used for image separation.
- the image output device is a 3D TV
- a particularly simple and cost-effective method for the display of visual images can be provided in this way.
- the 3D effect is achieved by line-by-line circular polarization, with 3D glasses being used for image separation.
- the three-dimensional image extends to the vertical edges of the image or the image output device.
- a peripheral fusion stimulus can be provided by displaying a three-dimensional image over the entire width of the image output device, which means a further approach to natural stereoscopic vision.
- the optotypes are arranged in a horizontal row.
- a plurality of such rows are arranged vertically one above the other.
- this makes it possible to carry out vision tests, in which several optotypes are required for the implementation.
- this makes it possible to carry out several eye tests using only one visual chart.
- a visual test chart is displayed in the three-dimensional image, wherein the optotypes are arranged within the visual test chart. This makes it possible to display the visual test charts previously used for visual acuity testing together with the optotypes in a three-dimensional image.
- Such a visual mark representation is characterized in particular by the fact that during a visual acuity test and / or a determination of a refraction optotypes are perceptible monocularly under binocular conditions, wherein a three-dimensional image is binocularly perceptible and wherein optotypes in the three-dimensional image are monocularly perceptible.
- an image output device set up for the visual sign representation according to the invention.
- the image output device may include a 3D monitor or 3D TV.
- a control device such as a computer, a tablet computer, a laptop or a smartphone is used, wherein the controller has software by means of which the image output device can be controlled such that on the image output device according to the invention Seh Lawrencedarwolf can be output.
- an eye sign display according to the invention in an eye test.
- Such an eye test may in particular be a visual acuity test and / or the determination of a refraction.
- the eye test can also be a binocular fine-tuning or a dominance test.
- Optotypes are preferably displayed in a horizontal row in the used Seh Lawrenceder ein that three different eye tests can be performed.
- a first and a second of the three eye tests may be a screening of contrast vision and cylinder refraction.
- an examination of the functions of the pair of eyes can be carried out binocularly under monocular assignment in a particularly short time.
- the optotype display is used in a stereo test.
- the optotypes are perceived stereoscopically during the vision test and can, for example, also be arranged at a certain stereo angle.
- the invention relates to an optotype display via an image output device (eg, 3D monitor or 3D TV) that displays three-dimensional images intended for the subjective refraction of humans.
- an image output device eg, 3D monitor or 3D TV
- the invention has for its object to provide a method for determining the refraction, which avoids measurement errors due to eye fatigue and due to a cyclophoral adjustment of the eye.
- Optotypes in a three-dimensional environment are presented on a 3D monitor or 3D TV set with circular polarization.
- filters with circular polarization are used, through which both eyes can simultaneously see monocular under binocular conditions.
- the novelty of this procedure is that the entire visual system sees a 3D image in the background but only one eye receives the corresponding optotype.
- the invention is further distinguished by the fact that optotypes for the complete course of a visual acuity test are displayed in a three-dimensional image. Further, the invention is characterized in that the patient the optotypes (optotype), for determining the refraction (eyeglass determination) can see monocular under binocular conditions in the investigation of both eyes simultaneously. Throughout the refraction process, binocular vision no longer needs to be interrupted by a cover. Both eyes always see different pictures at the same time, if necessary. The presentation can be done on a 3D monitor or other suitable device. The separation of the visual impressions is carried out by circularly polarizing separation methods.
- FIG. 1 shows an image output device according to the invention, set up for visual indication
- Fig. 2 control device for controlling the image output device according to the invention
- Fig. 3 is a schematic representation of a system with the control device of Figure 2 for the device of the image output device according to the invention.
- Fig. 5 First and second field of an eye sign display according to the invention with a visual chart showing optotypes for different vision tests;
- Fig. 6 First and second field of an eye sign display according to the invention for performing a stereo test
- Fig. 7 First and second field of an inventive chart drawing to perform a dominance test.
- FIG. 1 shows an image output device 4 for a visual acuity test and / or the determination of a refraction, which is set up for the optotype display 2.
- the image output device 4 comprises a 3D-TV, wherein line-by-line differently polarized light is emitted, so that the visual sign representation 2 is constructed from a superimposition of two fields 5, 7 shown in FIG.
- FIG. 2 shows a control device in the form of a tablet computer 12 for controlling the image output device 4, the tablet computer 12 having software for controlling the image output device 4.
- the first field 5 has a first image portion 6 'showing a landscape with a lake 21', mountains 23 ', trees 25' and a hot air balloon 27 '.
- a visual chart 8 Within the first image section 6 'is a visual chart 8, wherein optotypes 10 within the visual chart 8 in the form of a relatively large letter "E" 10a, in the form of five smaller letters "F, A, O, T, U” 10b and Shape of a circular figure 10c are arranged in a horizontal row.
- the second field 7 also has a first image section 6 "showing a landscape with a lake 21", mountains 23 ", trees 25" and a hot air balloon 27 ", the first image section 6 '' corresponds to the first image section 6 'of the first field 5. Furthermore, within the first image section 6 ", a visual test chart 8" is arranged, which corresponds to the visual sampling table 8 'of the first field 5. However, the second field 7 has no optotypes.
- a person who performs the vision test can - as indicated by the selection bar 3 - select which three-dimensional image 6 and which type of optotypes 10 are to be displayed on the image output device 4. Furthermore, on the tablet computer 12, it is selected whether the first field 5 and / or the second field 7 has optotypes 10. Finally, among other things, the size of the optotypes 10 can be changed by means of the control buttons 31.
- the image output device 4 is wirelessly controlled via the tablet computer 12 by control signals are routed via a router 14 to a receiving device 16 of the image output device 4.
- the first field 5 and the second field 7 are shown on the image output device 4 line sequentially. Consequently, on the image output device 4, an optotype representation 2 is presented, which is composed of two fields 5, 7.
- the brain With intact stereoscopic vision of a subject, the brain unites the first image section 6 'of the first field 5 and the first image section 6 "of the second field 7 into a three-dimensional image 6 in the form of a landscape with a lake 21, with mountains 23, with trees 25 and with a hot air balloon 27. Furthermore, the visual chart 8 'of the first field 5 and the eye chart 8' 'of the second field 7 is combined into an eye chart 8.
- the optotypes 10a, 10b and 10c of the first field 5 according to FIG. 2 are perceptible only to the left eye and are therefore not perceived stereoscopically even after the visual impressions of the left and right eyes have merged into a visual impression due to the merely monocular perception ,
- the eye chart display 2 enables an eye test to be carried out, wherein the three-dimensional image is binocular in the form of a landscape with a lake 21, mountains 23, trees 25 and a hot air balloon 27, while the optotypes 10a, 10b, 10c are monocular binocular Conditions are perceptible.
- the optotypes 10a, 10b, 10c are monocular binocular Conditions are perceptible.
- the three-dimensional image 6 extends as far as the vertical edges 20 of the screen of the image output device 4, thus providing a peripheral fusion stimulus.
- FIGS. 4 to 7 each show a first field 5 with a first image section 6 'and a second field 7, with a second image section 6 ", the second image section 6" corresponding to the first image section 6'.
- the first field 5 has optotypes 15 'in the form of numbered balloons numbered 1 to 4.
- the second field 7 optotypes 15 '' in the form of numbered balloons numbered 1 to 4.
- the optotypes 15 'and 15' ' are arranged at a certain stereo angle to each other.
- the spatial vision of a test person is checked. In order to enable spatial vision, it is necessary that the two image impressions of the left and the right eye can be fused into a single image impression. In a stereo test according to FIG.
- FIG. 5 shows a first and a second field 5, 7 for an optotype representation 2 for use in a dominance test.
- the first field 5 has an optotype in the form of a "figure 1" 17 'within a "hot air balloon 1", wherein it may be, for example, a dog in the " Figure 1".
- the second field 7 has an optotype in the form of a "figure 2" 17 “within a" hot air balloon 2 ", where" figure 2 "may be, for example, a cat.
- "Figure 1" 17 ' is perceptible only to the left eye
- “Figure 2" 17” is perceptible only to the right eye.
- a human person has a dominant eye, so that the visual impression of a subject is such that, although "hot air balloon 1" and “hot air balloon 2" are fused to a stereoscopically perceived hot air balloon.
- the subject's brain merges the visual impressions of the left and right eyes into a visual impression such that either "Figure 1" 17 'or “Figure 2" 17 "is perceived.
- this dominance test which eye is the dominant eye when seeing.
- FIG. 6 shows a first field 5 and a second field 7, as also shown in FIG.
- a visual sign representation 2 as shown in FIG. 1
- three different visual tests can be carried out by means of the one visual sign representation 2.
- the optotypes 10a, 10b and 10c are perceivable only for the right eye.
- the first optotype in the form of the letter 10a is used to screen contrast vision, while the other five optotypes 10b are used for a per se known eye test and wherein the circular figure 10c is used to measure the cylinder refraction.
- it is checked in the upper row of the visual sign representation 2 according to FIG. 1 from the first optotype 10a to the last optotype 10c whether certain properties of the optotypes 10 are recognized.
- the second row of visual test chart 8 is checked, the optotypes 10 being smaller than the optotypes 10 of the first row.
- the third row continues the vision test, again with the optotypes 10 of this row smaller than the second row optotypes 10.
- an optotype representation 2 constructed from the first field 5 and the second field 7 according to the figure 7 is used to perform a binocular fine adjustment.
- a fusion element 18 ' is present in the first field 5 and a fusion element 18 "in the second field 7, wherein the fusion elements 18', 18" can be perceived binocularly as a central fusion element using the optotype representation 2.
- 2 visual properties of the left and right eye can be checked by means of a single visual chart display. It is therefore not necessary to use two separate visual chart representations for testing the visual properties of the left eye and the right eye, respectively.
- Fig. 4 shows a left and a right image, which are combined to a 3D image on the playback monitor.
- the landscape, as well as the hot air balloons are stereoscopically seen.
- the hot air balloons are optotypes arranged at a certain stereo angle.
- Fig. 5 shows a dominance test. It is checked which eye is the dominant eye when seeing.
- the hot air balloons are different right and left, each with a different figure (eg animal) provided.
- Fig. 6 shows a visual chart in the 3D environment.
- the visual sample contains three different tests. The first letter is used to screen contrast vision, the other five are normal optotypes, the circle is used for cylinder refraction.
- Fig. 7 is for binocular fine adjustment and shows optotypes only in a 3D environment without a white background, as in Fig. 3, to allow a relaxed vision into the far distance.
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Abstract
Description
b. Dominanztest, zur Feststellung des dominierenden Auges;
c. Sehprobentafel mit 3 unterschiedlichen Testen;
d. Optotypen zum binokularen Feinabgleich im 3D Umfeld ohne einen zusätzlichen Hintergrund.
Claims (15)
- Verfahren zur Sehzeichendarstellung (2) über ein Bildausgabegerät (4) für eine Sehschärfeprüfung und/oder die Bestimmung einer Refraktion, dadurch gekennzeichnet, dass Optotypen (10) in einem dreidimensionalen Bild (6) dargeboten werden und eine Bildtrennung derart erfolgt, dass die Optotypen (10) monokular unter binokularen Bedingungen wahrnehmbar sind, wobei das dreidimensionale Bild (6) binokular wahrnehmbar ist.
- Verfahren zur Sehzeichendarstellung (2) nach Anspruch 1, dadurch gekennzeichnet, dass es sich bei dem Bildausgabegerät (4) um einen 3D-Monitor oder einen 3D TV handelt.
- Verfahren zur Sehzeichendarstellung (2) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zur Bildtrennung Filter mit zirkulärer Polarisation oder Shutterbrillen verwendet werden.
- Verfahren zur Sehzeichendarstellung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Sehzeichendarstellung (2) derart dargeboten wird, dass von beiden Augen immer gleichzeitig ohne Unterbrechung durch eine Abdeckscheibe gesehen wird, wenn auch je nach Bedarf jedes Auge gleichzeitig unterschiedliche Optotypen (10) sieht.
- Verfahren zur Sehzeichendarstellung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich das dreidimensionale Bild (6) bis zu den vertikal verlaufenden Rändern (20) des Bildes (6) bzw. Bildausgabegeräts (4) erstreckt.
- Verfahren zur Sehzeichendarstellung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Optotypen (10) in einer horizontalen Reihe angeordnet werden.
- Verfahren zur Sehzeichendarstellung (2) nach Anspruch 6, dadurch gekennzeichnet, dass mehrere Reihen vertikal übereinander angeordnet werden.
- Verfahren zur Sehzeichendarstellung (2) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Sehprobentafel (8) in dem dreidimensionalen Bild (6) dargestellt wird, wobei die Optotypen (10) innerhalb der Sehprobentafel (8) angeordnet werden.
- Sehzeichendarstellung (2), dargeboten nach einem der Verfahren gemäß den Ansprüchen 1 bis 8.
- Bildausgabegerät (4), eingerichtet zur Sehzeichendarstellung (2) nach Anspruch 9.
- Verwendung einer Sehzeichendarstellung (2) nach Anspruch 9 in einem Sehtest, insbesondere zur Sehschärfeprüfung und/oder zur Bestimmung der Refraktion.
- Verwendung nach Anspruch 11, dadurch gekennzeichnet, dass es sich bei dem Sehtest um einen binokularen Feinabgleich oder um einen Dominanztest handelt.
- Verwendung nach Anspruch 11, dadurch gekennzeichnet, dass mittels Optotypen (10) einer Reihe drei unterschiedliche Sehteste durchgeführt werden.
- Verwendung nach Anspruch 13, dadurch gekennzeichnet, dass es sich bei einem ersten und einem zweiten der drei Sehteste um ein Screening des Kontrastsehens und um Zylinderrefraktion handelt.
- Verwendung nach Anspruch 11, dadurch gekennzeichnet, dass es sich bei dem Sehtest um einen Stereotest handelt, wobei die Optotypen (10) während des Sehtests stereoskopisch gesehen werden und/oder in einem bestimmten Stereowinkel angeordnet sind.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/039,587 US10143369B2 (en) | 2013-11-28 | 2014-11-17 | Method for representing optotypes, optotype representation, associated use and image output device |
CN201480073127.4A CN105916432B (zh) | 2013-11-28 | 2014-11-17 | 用于验光字体显示的方法 |
EP14802384.9A EP3073897A1 (de) | 2013-11-28 | 2014-11-17 | Verfahren zur sehzeichendarstellung, sehzeichendarstellung, dazugehörige verwendung und bildausgabegerät |
CA2936150A CA2936150C (en) | 2013-11-28 | 2014-11-17 | Method for optotype representation, optotype representation, corresponding use and image output device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202013010668.9 | 2013-11-28 | ||
DE202013010668.9U DE202013010668U1 (de) | 2013-11-28 | 2013-11-28 | Software zur Steuerung eines 3D-Monitors für die subjektive Refraktion (Sehschärfenprüfung) zur monokularen Refraktion unter binokularen Bedingungen im 3D-Umfeld |
Publications (1)
Publication Number | Publication Date |
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WO2015078720A1 true WO2015078720A1 (de) | 2015-06-04 |
Family
ID=50437365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/074805 WO2015078720A1 (de) | 2013-11-28 | 2014-11-17 | Verfahren zur sehzeichendarstellung, sehzeichendarstellung, dazugehörige verwendung und bildausgabegerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US10143369B2 (de) |
EP (1) | EP3073897A1 (de) |
CN (1) | CN105916432B (de) |
CA (1) | CA2936150C (de) |
DE (2) | DE202013010668U1 (de) |
HK (1) | HK1226275A1 (de) |
WO (1) | WO2015078720A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101852513B1 (ko) * | 2017-01-23 | 2018-04-26 | 패터니아 주식회사 | 시력검사용 입체 영상을 표시하기 위한 위상지연 필터의 제조 방법 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102015207911B3 (de) * | 2015-04-29 | 2016-09-15 | Sigmund Scigalla | Verfahren und Vorrichtung zur Bestimmung der Korrekturwerte der Augen einer Person |
DE102015209484A1 (de) * | 2015-05-22 | 2016-11-24 | Deutsche Augenoptik AG | Dynamisch stereoskope Sehzeichen |
US20160352974A1 (en) * | 2015-05-27 | 2016-12-01 | Allan N. Hytowitz | Using Comparative Pixel and Luminance Adjustment for Creating a Varying Acuity Perception |
DE102015115202A1 (de) | 2015-09-09 | 2017-03-09 | Optik Hecht E.K. | System zur Prüfung der Sehleistung und zum Erkennung und Korrigieren von Sehfehlern |
DE102015226725A1 (de) * | 2015-12-23 | 2017-06-29 | Oculus Optikgeräte GmbH | Sehprüfsystem und Verfahren zum Überprüfen der Augen |
CN106510612B (zh) * | 2016-11-29 | 2018-06-29 | 河南科技大学 | 一种单眼伪盲自动检测装置 |
CN109349999B (zh) * | 2018-10-10 | 2021-04-02 | 施川南 | 一种主观验光方法 |
EP3744227A1 (de) * | 2019-05-31 | 2020-12-02 | Essilor International | Instrument zur binokularen refraktion, satz aus testbildern, verfahren zur binokularen refraktion und computerprogramm im zusammenhang damit |
CN110974147B (zh) * | 2019-10-22 | 2022-05-27 | 温州医科大学附属眼视光医院 | 一种双眼分视的双眼视觉功能检测定量化输出装置 |
CN111543934A (zh) * | 2020-04-29 | 2020-08-18 | 深圳创维-Rgb电子有限公司 | 一种视力检测方法、装置、电子产品及存储介质 |
WO2022084710A1 (en) * | 2020-10-22 | 2022-04-28 | Essilor International | Optometry device for testing an individual's eye, set of pictures for said device and display unit of such set of pictures |
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EP0830839A2 (de) * | 1996-09-20 | 1998-03-25 | SANYO ELECTRIC Co., Ltd. | Vorrichtung und Verfahren zur Prüfung des Sehvermögens |
US5764340A (en) * | 1996-08-02 | 1998-06-09 | Hofeldt; Albert J. | Portable device for evaluation of binocular vision problems |
US20090073386A1 (en) * | 2007-09-14 | 2009-03-19 | Petito G Timothy | Enhanced head mounted display |
DE202012000103U1 (de) * | 2012-01-07 | 2012-02-06 | Mailshop Gmbh Augenoptik | Test zur Messung von monokularen Zylinderachsen unter binokularen Bedingungen Zyklofusionszylinderabgleich |
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DE8104761U1 (de) | 1981-02-20 | 1981-09-24 | Fa. Carl Zeiss, 7920 Heidenheim | Sehprobe zur Prüfung der binokularen Lesefähigkeit |
GB2281634B (en) | 1993-06-17 | 1996-04-10 | Shapiro Isaac J | Testing binocular vision using a chart and optical septum |
KR100813977B1 (ko) * | 2005-07-08 | 2008-03-14 | 삼성전자주식회사 | 2차원/3차원 영상 호환용 고해상도 입체 영상 디스플레이장치 |
CN201000510Y (zh) * | 2007-01-31 | 2008-01-02 | 张勇 | 内存式视标显示装置 |
JP5209239B2 (ja) * | 2007-06-22 | 2013-06-12 | 株式会社ニデック | 視標呈示装置 |
CN102764106A (zh) * | 2011-05-03 | 2012-11-07 | 上海美沃精密仪器有限公司 | 一种视觉功能检查***和方法 |
CN202776260U (zh) * | 2012-08-07 | 2013-03-13 | 北京嘉铖视欣数字医疗技术有限公司 | 基于双眼融合知觉矫治和训练*** |
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2013
- 2013-11-28 DE DE202013010668.9U patent/DE202013010668U1/de not_active Expired - Lifetime
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2014
- 2014-11-17 CA CA2936150A patent/CA2936150C/en active Active
- 2014-11-17 WO PCT/EP2014/074805 patent/WO2015078720A1/de active Application Filing
- 2014-11-17 EP EP14802384.9A patent/EP3073897A1/de not_active Withdrawn
- 2014-11-17 US US15/039,587 patent/US10143369B2/en active Active
- 2014-11-17 DE DE102014223442.5A patent/DE102014223442B4/de not_active Expired - Fee Related
- 2014-11-17 CN CN201480073127.4A patent/CN105916432B/zh not_active Expired - Fee Related
-
2016
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Patent Citations (4)
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US5764340A (en) * | 1996-08-02 | 1998-06-09 | Hofeldt; Albert J. | Portable device for evaluation of binocular vision problems |
EP0830839A2 (de) * | 1996-09-20 | 1998-03-25 | SANYO ELECTRIC Co., Ltd. | Vorrichtung und Verfahren zur Prüfung des Sehvermögens |
US20090073386A1 (en) * | 2007-09-14 | 2009-03-19 | Petito G Timothy | Enhanced head mounted display |
DE202012000103U1 (de) * | 2012-01-07 | 2012-02-06 | Mailshop Gmbh Augenoptik | Test zur Messung von monokularen Zylinderachsen unter binokularen Bedingungen Zyklofusionszylinderabgleich |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101852513B1 (ko) * | 2017-01-23 | 2018-04-26 | 패터니아 주식회사 | 시력검사용 입체 영상을 표시하기 위한 위상지연 필터의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
DE102014223442B4 (de) | 2017-08-31 |
CN105916432A (zh) | 2016-08-31 |
EP3073897A1 (de) | 2016-10-05 |
US10143369B2 (en) | 2018-12-04 |
DE202013010668U1 (de) | 2014-03-13 |
CA2936150C (en) | 2022-04-05 |
CN105916432B (zh) | 2019-01-11 |
DE102014223442A1 (de) | 2015-05-28 |
HK1226275A1 (zh) | 2017-09-29 |
US20170164822A1 (en) | 2017-06-15 |
CA2936150A1 (en) | 2015-06-04 |
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