DE2655859A1
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Retina illumination and examination optical system - has objective and exposure lenses with light guide and film
Assignee: Olympus Corp
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Filing: 1976-12-09
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Granted: —
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Expires: 1996-12-09
Abstract
Abstract The illumination device is for use in the photographic examination of the retina. It has an objective lens system (12) which is attached in the region of the main observational beam path of the eye (13) under examination. An exposure production lens system (14) mounted in the main light path, is used to focus reflected light falling on the retina of the eye under examination (13) through the objective lens system (12) onto the surface of a photographic film (18). A light guide (20) is attached between the main observational ray path and an illumination ray path.
Inventors
- 👤 Naomiki Araki
- 👤 Yasuo Inoue
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 20:52
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/0008; A61B3/10; A61B3/14
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References Cited (Backward Citations)
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