Biomechanically focused eyeglasses

Details Biomechanically focused eyeglasses Biomechanically focused eyeglasses

1978-01-09

1981-04-14

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

351 7, 351168, 350419, A61B 314, G03B 100, G02B 106

Patent

active

042616557

ABSTRACT:
Improved biomechanically focused eyeglasses for facial wear comprise a frame, adjustable focus lenses, means for securing the lenses to the frame, means for adjusting the focus of the lenses, and means for actuating the adjusting means in response to a voluntary anatomical action which does not involve the hands. In an embodiment wherein the adjustable focus lenses comprise liquid filled cells, each having an elastic surface, means for equalizing the fluid volumes which effect focus of the cells is disclosed. An improved variable focus lens is also disclosed.

REFERENCES:
patent: 2300251 (1942-10-01), Flint
patent: 3598479 (1971-08-01), Wright
patent: 3614215 (1971-10-01), Mackta
patent: 4181408 (1980-01-01), Senders
Robert Graham, "A variable focus lens and its uses," JOSA, Jul. 23, 1940.

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