Ophthalmic auxiliary instrument and ophthalmic system using the

Details Ophthalmic auxiliary instrument and ophthalmic system using the Ophthalmic auxiliary instrument and ophthalmic system using the

1996-03-14

1997-08-26

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Combined

351216, G02C 100, A61B 310

Patent

active

056615370

ABSTRACT:
An auxiliary instrument for observing a fundus of eye, comprises an ophthalmic lens for forming an image of light beam reflected by the fundus of an examined eye, a lens holding member for holding the ophthalmic lens, a frame mounted with the lens holding member and put on the head or a part of the face of an examinee so that the ophthalmic lens is located in front of the examined eye of the examinee, and an inclination mechanism, provided between the lens holding member and the frame, for inclining an optical axis of the ophthalmic lens at a predetermined angle to an optical axis of the examined eye.

REFERENCES:
patent: 2622473 (1952-12-01), Littmann

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