CA2188038C - Procede et dispositif de detection des mouvements de l'oeil - Google Patents
Procede et dispositif de detection des mouvements de l'oeil Download PDFInfo
- Publication number
- CA2188038C CA2188038C CA002188038A CA2188038A CA2188038C CA 2188038 C CA2188038 C CA 2188038C CA 002188038 A CA002188038 A CA 002188038A CA 2188038 A CA2188038 A CA 2188038A CA 2188038 C CA2188038 C CA 2188038C
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- light spots
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- 230000004424 eye movement Effects 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 210000003786 sclera Anatomy 0.000 claims description 20
- 210000001747 pupil Anatomy 0.000 claims description 11
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- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000001429 visible spectrum Methods 0.000 claims description 2
- 230000001711 saccadic effect Effects 0.000 abstract description 2
- 238000001356 surgical procedure Methods 0.000 description 8
- 210000004087 cornea Anatomy 0.000 description 7
- 206010053694 Saccadic eye movement Diseases 0.000 description 6
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- 238000003384 imaging method Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 210000000981 epithelium Anatomy 0.000 description 2
- 238000002430 laser surgery Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 208000018440 Superficial corneal dystrophy Diseases 0.000 description 1
- 210000004045 bowman membrane Anatomy 0.000 description 1
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Landscapes
- Eye Examination Apparatus (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Procédé et dispositif destinés à détecter de manière non intrusive les mouvements de l'oeil tels que les mouvements saccadés. Un dispositif (105) d'émission optique convertit une impulsion (104) de faisceau laser en une pluralité de points lumineux (21 - 24). Ces points lumineux sont focalisés de façon que leur incidence corresponde à une pluralité de positions situées sur une périphérie (12) dont le mouvement coïncide avec celui de l'oeil. Cette périphérie peut être délimitée par deux surfaces contiguës visuellement possédant des coefficients de réflexion différents. L'énergie est réfléchie depuis chacune des positions situées sur la périphérie recevant les points lumineux. Un dispositif (156) de réception optique détecte l'énergie réfléchie depuis chacune des positions. Des changements d'énergie réfléchie depuis une ou plusieurs de ces positions sont représentatifs du mouvement de l'oeil.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/232,990 US5632742A (en) | 1994-04-25 | 1994-04-25 | Eye movement sensing method and system |
| US08/232,990 | 1994-04-25 | ||
| PCT/US1995/004524 WO1995028879A1 (fr) | 1994-04-25 | 1995-04-18 | Procede et dispositif de detection des mouvements de l'×il |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2188038A1 CA2188038A1 (fr) | 1995-11-02 |
| CA2188038C true CA2188038C (fr) | 2005-11-08 |
Family
ID=35539254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002188038A Expired - Fee Related CA2188038C (fr) | 1994-04-25 | 1995-04-18 | Procede et dispositif de detection des mouvements de l'oeil |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2188038C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012130818A1 (fr) * | 2011-03-25 | 2012-10-04 | National Digital Research Centre | Appareil de modélisation de structures oculaires |
-
1995
- 1995-04-18 CA CA002188038A patent/CA2188038C/fr not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012130818A1 (fr) * | 2011-03-25 | 2012-10-04 | National Digital Research Centre | Appareil de modélisation de structures oculaires |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2188038A1 (fr) | 1995-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |