Optometric apparatus

Details Optometric apparatus Optometric apparatus

1993-12-20

1996-03-26

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

For interpupillary distance measuring or lens positioning

351205, 351208, 33200, A61B 310

Patent

active

055025196

ABSTRACT:
An optometric apparatus for measuring optical characteristics of an eye to be examined comprising moving device for moving measuring section to adjust alignment with the eye to be examined, first and second deviation amount detecting devices for detecting deviation amount of the measuring section in a lateral and a vertical directions relatively to the eye at the time of measuring each of a left eye and a right eye to be examined, and correcting device for correcting data about an angle of astigmatic axis of the eye measured by the measuring section or interpupilary distance, based on the detected result obtained by the first deviation detecting device and the second deviation detecting device.

REFERENCES:
patent: 4755041 (1988-07-01), Ishikawa et al.

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