Bifocal multiorder diffractive lenses for vision correction

Details Bifocal multiorder diffractive lenses for vision correction Bifocal multiorder diffractive lenses for vision correction

G - Physics

02

C

G02C 7/06 (2006.01) A61F 2/16 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2735335

A bifocal multiorder diffractive lens is provided having a lens body with one or more first regions having a first multiorder diffractive structure providing near vision correction, and one or more second regions having a second multiorder diffractive structure providing distance vision correction, in which the lens defines an aperture divided between the first and second regions.

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