G - Physics – 02 – C
Patent
G - Physics
02
C
G02C 7/06 (2006.01) G02B 5/18 (2006.01) G02C 7/04 (2006.01)
Patent
CA 2121973
MULTIFOCAL CONTACT LENS ABSTRACT A multifocal ophthalmic lens has a spiral-like pattern on its surface in an area overlying the cornea of a wearer of the lens. The spiral-like pattern is capable of providing a plurality of different dioptric powers. (Fig. 3)
Fetherstonhaugh & Co.
Novartis Ag
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