Optical measurement method and apparatus

Details Optical measurement method and apparatus Optical measurement method and apparatus

1994-06-15

1995-10-24

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

For interpupillary distance measuring or lens positioning

351246, A61B 310

Patent

active

054614341

ABSTRACT:
A method and apparatus is described for interpupillary distance measurement. The device includes a frame and a pair of sliders. In use, the sliders are mounted in the frame and adjusted horizontally apart by the user and fixed in that position for later measurement. A bifocal or multifocal optical centering device and method is also described. The optical centering device includes a frame which is attached to a spectacle lens and a slider adjusted therein relative to the user's eye. The slider is then fixed for later measurement.

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