Ophthalmic lens blank with protective coating

Details Ophthalmic lens blank with protective coating Ophthalmic lens blank with protective coating

G - Physics

02

B

204/91.33

G02B 1/12 (2006.01) B29D 11/00 (2006.01) C08F 290/02 (2006.01) C08F 299/02 (2006.01) C08G 18/67 (2006.01)

Patent

CA 1153985

ABSTRACT An article of manufacture is provided that comprises an ophthalmic lens blank that has a polymerized layer of an oligomeric composition on its finished surface. The oligomeric composition protects the finished surface from mechanical damage and thermal shock. The oligomeric composition also adheres a rigid lens block to the blanks through a fusible metal alloy. A process for altering the unfinished surface of an ophthalmic lens blank is also provided.

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