Ophthalmic apparatus

Details Ophthalmic apparatus Ophthalmic apparatus

2008-01-22

2008-01-22

Schwartz, Jordan (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S200000

Reexamination Certificate

active

07320518

ABSTRACT:
An ophthalmic apparatus comprising: an illuminating optical system which projects light to an examinee' eye; an image pickup unit which color-photographs an interference image caused by interference of light reflected by a tear layer of the eye; and an analyzing part which dissolves the photographed interference image to a plurality of color components, determines an appearance of interference stripes of each color component based on a signal of each color component, and obtains a value indicating a dry eye symptom based on at least one of the number of interference stripes of each color component and changes in signal level of each color component.

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patent: A 2001-309889 (2001-11-01), None

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