GOGGLES WITH ADJUSTED FOCAL LENGTH Russian patent published in 1995 - IPC

Abstract RU 2046388 C1

FIELD: medicine. SUBSTANCE: goggles has holder, ear rods and lenses. The lenses are made of resilient elastic material. The lenses are connected with pipes for filling the lenses with liquid. The pipes are made in form of pistons, which are mounted inside the chamber. Filling mechanisms are mounted directly onto the holders of each lens and are provided with adjusting screws, which screws are connected with the pistons. Lenses are made in form of menisci. One base of each meniscus has constant radius of curvature. The other base has variable radius of curvature. EFFECT: improved quality of vision correction. 3 dwg

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RU 2 046 388 C1

Authors

Zarudskij Vitalij Ivanovich

Tsejtlin Ehl'Za Grigor'Evna

Dates

1995-10-20Published

1986-12-23Filed