Hologram which helps reduce eye strain

Details Hologram which helps reduce eye strain Hologram which helps reduce eye strain

1989-07-05

1990-08-21

Dzierzynski, Paul M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Eye exercising or training type

351246, 350 36, A61B 300, G03H 102

Patent

active

049500678

ABSTRACT:
A hologram comprised of two or more opticals (10) which communicate images of depth-of-field; a light source (11) to illuminate said opticals.

REFERENCES:
patent: 4376950 (1983-03-01), Brown et al.

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