FR2425229A1 - Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre - Google Patents
Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvreInfo
- Publication number
- FR2425229A1 FR2425229A1 FR7814663A FR7814663A FR2425229A1 FR 2425229 A1 FR2425229 A1 FR 2425229A1 FR 7814663 A FR7814663 A FR 7814663A FR 7814663 A FR7814663 A FR 7814663A FR 2425229 A1 FR2425229 A1 FR 2425229A1
- Authority
- FR
- France
- Prior art keywords
- cornea
- image
- attachment
- binocular microscope
- compares control
- 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.)
- Withdrawn
Links
- 210000004087 cornea Anatomy 0.000 title abstract 4
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- 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
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
CE PROCEDE CONSISTE A COMPARER L'IMAGE D'UN TEST LUMINEUX CIRCULAIRE REFLECHIE PAR LA CORNEE AVEC UNE IMAGE DE COMPARAISON. LE DISPOSITIF POUR SA MISE EN OEUVRE COMPORTE, ASSOCIE A UN BIOMICROSCOPE OCULAIRE DE TYPE CONNU COMPLETE PAR UN TEST LUMINEUX CIRCULAIRE, UN ENSEMBLE GENERATEUR D'UNE IMAGE DE COMPARAISON COMPRENANT: -UNE SOURCE LUMINEUSE (9); -UN CONDENSEUR (10); UNE FENTE LIMITEE PAR DEUX COUTEAUX PARALLELES (13), ASSOCIEE A UN DIAPHRAGME CIRCULAIRE (12); -DES MOYENS DE REGLAGE ET DE MESURE DE L'ECARTEMENT DES COUTEAUX (15, 16, 17, 18); -UN OBJECTIF (20); -UN MIROIR (19) REFLECHISSANT L'IMAGE DE LA PLAGE LUMINEUSE DANS LE PLAN OBJET DE L'OCULAIRE D'OBSERVATION DU BIOMICROSCOPE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7814663A FR2425229A1 (fr) | 1978-05-10 | 1978-05-10 | Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7814663A FR2425229A1 (fr) | 1978-05-10 | 1978-05-10 | Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2425229A1 true FR2425229A1 (fr) | 1979-12-07 |
Family
ID=9208355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7814663A Withdrawn FR2425229A1 (fr) | 1978-05-10 | 1978-05-10 | Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2425229A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0269269A1 (fr) * | 1986-11-03 | 1988-06-01 | Riyaz Ahmad | Appareil medical |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1434261A (fr) * | 1965-02-15 | 1966-04-08 | Ophtalmomètre topographique | |
| US3264932A (en) * | 1964-05-27 | 1966-08-09 | Charles E Hendricks | Method and device for presenting a visual comparison of two different curved surfaces |
| FR2279068A1 (fr) * | 1974-07-17 | 1976-02-13 | Surgical Microsystems Inc | Procede et appareil de mesure de l'asphericite de la cornee de l'oeil |
| FR2365325A1 (fr) * | 1976-09-25 | 1978-04-21 | Zeiss Carl Fa | Dispositif pour determiner l'astigmatisme corneen de l'oeil humain |
-
1978
- 1978-05-10 FR FR7814663A patent/FR2425229A1/fr not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3264932A (en) * | 1964-05-27 | 1966-08-09 | Charles E Hendricks | Method and device for presenting a visual comparison of two different curved surfaces |
| FR1434261A (fr) * | 1965-02-15 | 1966-04-08 | Ophtalmomètre topographique | |
| FR2279068A1 (fr) * | 1974-07-17 | 1976-02-13 | Surgical Microsystems Inc | Procede et appareil de mesure de l'asphericite de la cornee de l'oeil |
| FR2365325A1 (fr) * | 1976-09-25 | 1978-04-21 | Zeiss Carl Fa | Dispositif pour determiner l'astigmatisme corneen de l'oeil humain |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0269269A1 (fr) * | 1986-11-03 | 1988-06-01 | Riyaz Ahmad | Appareil medical |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GC | Lien (pledge) constituted | ||
| ST | Notification of lapse |