Volk Optical Inc.

Timothy D Edwards

Steven D Cech

Gerald Kotnik

Sean P McGinnis

Kakarla V Chalam

An autoclavable diagnostic ophthalmic lens system includes a biconvex lens element having front and rear surfaces and a housing in which the biconvex lens element is mounted. The biconvex lens element is fabricated from a glass having an index-of-refraction greater of 1.7 or greater. The glass composition meets the following parameters:

Optimized lens for indirect ophthalmoscopy

An ophthalmoscopy lens system includes a contact lens and an image forming lens. The contact lens and the image forming lens are in a spaced-apart arrangement such that an open air space exists between the contact lens and the image forming lens and the inner surfaces are exposed.

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Cleveland, OH, United States of America

Timothy D Edwards