MIRROR GLASSES Russian patent published in 1998 - IPC

Abstract RU 2104680 C1

FIELD: ophthalmology. SUBSTANCE: correction of optical sight defects is accomplished by means of (i) system of upper and lower mirrors which, because of relative position and calculated forms (plane, sphere, aspherical forms) of reflecting surfaces, provide required individual image correction; and (ii) system of indicated mirrors in combination with, installed in the same frames, long-sight lenses or sun-protection lenses, intact or with cut to observe image on lower mirror. EFFECT: achieved required correction. 4 cl, 2 dwg

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RU 2 104 680 C1

Authors

Guzman Vladimir Efimovich

Dates

1998-02-20Published

1997-02-18Filed