Wide angle apparatus for examination of the eye

Details Wide angle apparatus for examination of the eye Wide angle apparatus for examination of the eye

1998-02-09

1999-10-12

Manuel, George

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351221, A61B 310

Patent

active

059661968

ABSTRACT:
Apparatus for wide angle examination of the eye fundus is provided. The apparatus includes an optical module providing a wide angle view image of the eye fundus and an image capturing unit connected to the optical module for capturing the wide angle view image. According to one aspect of the invention, the optical module includes a front lens complex for providing a primary large scale image of the fundus and an optical relay, connected to the front lens complex, for transforming the primary large scale image into a small scale image.

REFERENCES:
patent: 4200362 (1980-04-01), Pomerantzeff et al.
patent: 4222634 (1980-09-01), Muchel
patent: 5007729 (1991-04-01), Erickson et al.
patent: 5054906 (1991-10-01), Lyons, Jr.
patent: 5125730 (1992-06-01), Taylor et al.
K.R. Wilhelmus, M.D.; "Irrigating Eyelid Speculum"; American Journal of Ophthalmology, vol. 96, No. 4; Oct. 1983; pp. 549-550.
Commercial Publications : Massie Research Laboratories, 8 pages and Chromos Imaging, Incorporated 1993, 4 pages.

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