Device and method for optometry

Details Device and method for optometry Device and method for optometry

2008-03-27

2010-10-05

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

C351S205000, C351S233000, C351S239000

Reexamination Certificate

active

07806529

ABSTRACT:
An eye examination apparatus100of the present invention comprises, a refractive power measuring section50for measuring refractive powers of subject eyes E of a subject in a binocular viewing state, an eye chart presenting section30for presenting a subjective measurement eye chart to be observed by the subject, a correcting section40for correcting the subject eyes by referring to data on the refractive powers measured with the refractive power measuring section50and using the subjective measurement eye chart presented in the eye chart presenting section30and an optical characteristics measuring section10for subjectively measuring an optical characteristic of the subject eyes E corrected or being corrected with the correcting section40in a state where the subject is binocularly viewing the subjective measurement eye chart.

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patent: 2001-321340 (2001-11-01), None
patent: 2003-199712 (2003-07-01), None

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