GLASSES Russian patent published in 1995 - IPC

Abstract RU 2041482 C1

FIELD: ophthalmology. SUBSTANCE: glasses have protection elements which are made in form of resilient brace with spring-loaded ends. One half of the brace is flat and the other one is convex to outside; height of convexity is larger than radius of curvature of lenses. Ends of the brace are grooved from inside. Ends of the brace are provided with magnets with unlike polarities from inside. EFFECT: improved precision. 3 cl, 2 dwg

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RU 2 041 482 C1

Authors

Efimochkin A.P.

Efimochkina D.A.

Dates

1995-08-09—Published

1992-06-19—Filed