Optical apparatus for viewing objects at an angle to the direct

Details Optical apparatus for viewing objects at an angle to the direct Optical apparatus for viewing objects at an angle to the direct

1976-07-19

1978-03-07

Sacher, Paul A.

350286, G02B 2702

Patent

active

040777030

ABSTRACT:
Optical apparatus is disclosed for enabling a person wearing such apparatus to view objects at an angle to their direct line of vision while their gaze is fixed in a substantially direct line of vision.
The apparatus comprises prisms removably insertable into prism housings on an eye frame which can be worn in front of the eyes or over a pair of reading and/or viewing glasses.

REFERENCES:
patent: 2123682 (1938-07-01), Wingate
patent: 2594698 (1952-04-01), Thomas
patent: 2618199 (1952-11-01), Evans

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