Title:
OPTICAL SYSTEM FOR ILLUMINATING EYEEGROUND
Document Type and Number:
Japanese Patent JPS5394491
Kind Code:
A
Abstract:
The invention contemplates an improved optical system for illuminating the retina or ground of the eye and having particular application to a hand-held ophthalmoscope. The optical system, thus embodied, permits selective modification of image scale, for a test mark or marks projected in the eye. Two embodiments are disclosed.
Inventors:
FURANTSU MUUHIERU
ARUPUREHITO FUOOGERU
ARUPUREHITO FUOOGERU
Application Number:
JP921778A
Publication Date:
August 18, 1978
Filing Date:
January 30, 1978
Export Citation:
Assignee:
ZEISS STIFTUNG
International Classes:
A61B3/00; A61B3/12; (IPC1-7): A61B3/12