CA1078175A - Appareil automatique pour determiner l'acuite visuelle et les reflexes - Google Patents
Appareil automatique pour determiner l'acuite visuelle et les reflexesInfo
- Publication number
- CA1078175A CA1078175A CA241,073A CA241073A CA1078175A CA 1078175 A CA1078175 A CA 1078175A CA 241073 A CA241073 A CA 241073A CA 1078175 A CA1078175 A CA 1078175A
- Authority
- CA
- Canada
- Prior art keywords
- subject
- figures
- visual acuity
- eyepiece
- image
- 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.)
- Expired
Links
- 230000004304 visual acuity Effects 0.000 title claims abstract description 19
- 230000011514 reflex Effects 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 230000001953 sensory effect Effects 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 22
- 239000005338 frosted glass Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 210000000056 organ Anatomy 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000013519 translation Methods 0.000 claims description 2
- 239000000306 component Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 208000029091 Refraction disease Diseases 0.000 abstract description 3
- 230000004430 ametropia Effects 0.000 abstract description 3
- 208000014733 refractive error Diseases 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 23
- 230000000007 visual effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000004438 eyesight Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000003935 attention Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004256 retinal image Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000003945 visual behavior Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/162—Testing reaction times
-
- 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
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/02—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for optical devices, e.g. telescopes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Psychiatry (AREA)
- Pathology (AREA)
- Social Psychology (AREA)
- Psychology (AREA)
- Hospice & Palliative Care (AREA)
- Educational Technology (AREA)
- Developmental Disabilities (AREA)
- Child & Adolescent Psychology (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7502066A FR2298310A1 (fr) | 1975-01-23 | 1975-01-23 | Appareil de controle sensoriel d'un sujet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1078175A true CA1078175A (fr) | 1980-05-27 |
Family
ID=9150217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA241,073A Expired CA1078175A (fr) | 1975-01-23 | 1975-12-04 | Appareil automatique pour determiner l'acuite visuelle et les reflexes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4070102A (Direct) |
| CA (1) | CA1078175A (Direct) |
| DE (1) | DE2602248A1 (Direct) |
| FR (1) | FR2298310A1 (Direct) |
| GB (1) | GB1479568A (Direct) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399459A (en) * | 1981-10-30 | 1983-08-16 | Nicolet Instrument Corporation | Flexible video synchronization circuit |
| US4415921A (en) * | 1981-10-30 | 1983-11-15 | Nicolet Instrument Corporation | Automatic calibration system for video displays in vision testing |
| JPS5988136A (ja) * | 1982-10-29 | 1984-05-22 | コヒ−レント・インコ−ポレ−テツド | 視力鋭敏度検査機 |
| US4552440A (en) * | 1983-10-12 | 1985-11-12 | Guyton D L | Apparatus for determination of potential visual acuity utilizing a slit lamp microscope |
| GB2352399B (en) * | 1999-06-10 | 2003-09-10 | David Stephen Warren | Reaction and concentration enhancing machine |
| US11191316B2 (en) | 2017-04-26 | 2021-12-07 | Fend Corp. | Collapsible helmet |
| EP4333688A4 (en) * | 2021-05-03 | 2025-03-05 | Junzhong Liang | SYSTEMS FOR REMOTE EYE EXAMINATIONS AND AUTO-REFRACTION OF HUMAN EYES |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US416599A (en) * | 1889-12-03 | green | ||
| US3012472A (en) * | 1959-02-26 | 1961-12-12 | Titmus Optical Company Inc | Eye testing apparatus |
| US3288546A (en) * | 1965-03-30 | 1966-11-29 | Jerome A Gans | Automatic self-recording visual field tester |
| US3486813A (en) * | 1967-05-05 | 1969-12-30 | Tracor | Vision testing device |
| US3573843A (en) * | 1968-02-16 | 1971-04-06 | Industrial Nucleonics Corp | Data and time recorder |
| US3698385A (en) * | 1970-10-07 | 1972-10-17 | Nasa | Reaction tester |
| US3747589A (en) * | 1971-05-19 | 1973-07-24 | Xerox Corp | Reaction time testing apparatus |
| USRE28921E (en) | 1971-07-06 | 1976-08-03 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Visual examination apparatus |
| US3864695A (en) * | 1972-09-25 | 1975-02-04 | Asahi Optical Co Ltd | Pen having vertical movement control |
| US3861790A (en) * | 1973-02-14 | 1975-01-21 | Raymond M Tamura | Dynamic visual acuity testing system |
| US3905688A (en) * | 1973-09-24 | 1975-09-16 | Baylor College Medicine | Apparatus for determining the acuity of a human |
-
1975
- 1975-01-23 FR FR7502066A patent/FR2298310A1/fr active Granted
- 1975-12-04 CA CA241,073A patent/CA1078175A/fr not_active Expired
-
1976
- 1976-01-05 US US05/646,658 patent/US4070102A/en not_active Expired - Lifetime
- 1976-01-16 GB GB1712/76A patent/GB1479568A/en not_active Expired
- 1976-01-22 DE DE19762602248 patent/DE2602248A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR2298310B1 (Direct) | 1977-11-10 |
| DE2602248A1 (de) | 1976-07-29 |
| FR2298310A1 (fr) | 1976-08-20 |
| US4070102A (en) | 1978-01-24 |
| GB1479568A (en) | 1977-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |