Optometric apparatus

Details Optometric apparatus Optometric apparatus

2007-05-15

2007-05-15

Casler, Brian L (Department: 3768)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

C351S222000, C351S205000, C351S221000, C351S211000, C351S243000, C351S246000, C351S218000, C351S242000

Reexamination Certificate

active

10624641

ABSTRACT:
An optometric apparatus for a subjective examination of a visual function of an eye of an examinee includes a pair of right and left lens chamber units, each including, a test window and a rotating disk on which a plurality of optical elements are mounted in a circumferential arrangement to be changeably placed in the test window, the optical elements including a green filter and an aperture.

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