Multifocal ophthalmic lenses and processes for their production

Details Multifocal ophthalmic lenses and processes for their production Multifocal ophthalmic lenses and processes for their production

G - Physics

02

C

G02C 7/04 (2006.01) G02B 3/10 (2006.01)

Patent

CA 2379790

The invention provides lenses that have zones of more than one optical power, or focal length, and a smooth transition between the zones of differing power.

L'invention concerne des lentilles présentant des zones à plus d'une puissance optique ou longueur focale, et une transition régulière entre les zones à puissances optiques différentes.

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