CONTACT LENSES WITH IMPROVED MOVEMENT Russian patent published in 2016 - IPC G02C7/04 

Abstract RU 2597662 C2

FIELD: optics.

SUBSTANCE: contact lens comprises front and rear surfaces, an optical zone, a peripheral zone surrounding optical zone, and a plurality of recesses on rear surface of contact lens in peripheral zone. Plurality of recesses are arranged at equidistant radial lines without recesses between adjacent lines. Each line includes an equal number of equidistant recesses.

EFFECT: improved movement of contact lenses during blinking or when looking down.

21 cl, 4 dwg

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RU 2 597 662 C2

Authors

Roffman Dzheffri Kh.

Zhyuben Filipp F.

Vanderlan Duglas G.

Menezesh Edgar V.

Dates

2016-09-20Published

2012-03-15Filed