Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1999-09-13
2000-08-01
Manuel, George
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
A61B 310
Patent
active
06095647&
ABSTRACT:
An ophthalmoscope attachment comprising a mask and mounting means to help focus an individual's direction of sight toward an eyepiece in a housing at a front of an ophthalmoscope. The mask is secured to the front of the housing of the ophthalmoscope by the mounting means. The mask is placed across the front of the ophthalmoscope so that it does not interfere with the eyepiece of the ophthalmoscope when the mask is secured across the front of the housing.
REFERENCES:
patent: 3724931 (1973-04-01), Nevyas et al.
patent: 4093359 (1978-06-01), Ketcham
patent: 4196980 (1980-04-01), Heine
Health & Technology, Inc.
Manuel George
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