Ophthalmic apparatus with alignment indicating system

Details Ophthalmic apparatus with alignment indicating system Ophthalmic apparatus with alignment indicating system

1994-03-30

1997-04-29

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351211, 351221, A61B 314, A61B 310

Patent

active

056254288

ABSTRACT:
An ophthalmic apparatus for measuring and observing an eye of an examinee comprising an observing optical system through which an examiner observes the examinee's eye, and a displaying device for providing indication marks to the cornea of the eye, the indication marks showing necessary information for the operator, wherein images of the indication marks reflected by the cornea are observed as superimposed on the examinee's eye.

REFERENCES:
patent: 4705045 (1987-11-01), Nishimura

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