Multifocal diffractive ophthalmic lenses

Details Multifocal diffractive ophthalmic lenses Multifocal diffractive ophthalmic lenses

G - Physics

02

C

G02C 7/06 (2006.01) A61F 2/14 (2006.01) A61F 2/16 (2006.01) G02B 3/10 (2006.01) G02B 5/18 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2048013

A lens according to the invention has diffractive power and two primary foci, where one focus is associated with the first diffractive order and one with the second diffractive order.

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