Soft and elastic intracameral lens and a method for...

Details Soft and elastic intracameral lens and a method for... Soft and elastic intracameral lens and a method for...

G - Physics

02

C

3/112, 26/197

G02C 7/04 (2006.01) A61F 2/16 (2006.01) A61L 27/18 (2006.01)

Patent

CA 1264502

ABSTRACT OF THE DISCLOSURE: A soft and elastic intracameral lens, comprises a back surface which is formed by a continuous rotation symmetric convex surface and a front surface which consists of a central convex surface of sphere or quadric rotation- symmetric body linked on the diameter of 4 to 8 mm, preferably through a rounded transition, to a concave ring surface of a sphere or a toroid. The distance between the concave ring surface and the back surface is 0.05 to 1.5 mm. This intracameral lens according is manufactured by charging a mold, which has the negative shape of the required front surface of lens and is provided at the periphery with a sharp edge protruding by 0.05 to 1.5 mm above the end of the peripheral ring surface, with a monomer mixture as high as above the sharp edge to form a continuous convex meniscus and the mold with the monomer mixture is then exposed to polymerization conditions.

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