Multifocals using phase shifting steps

Details Multifocals using phase shifting steps Multifocals using phase shifting steps

G - Physics

02

C

88/40, 88/41

G02C 7/06 (2006.01) A61F 2/16 (2006.01) G02B 3/08 (2006.01) G02B 3/10 (2006.01) G02B 27/44 (2006.01) G02C 7/04 (2006.01)

Patent

CA 1318799

NPD-1701 MULTIFOCALS USING PHASE SHIFTING STEPS ABSTRACT This invention relates to a multifocal optical lens configuration that relies on the phenomenon of simultaneous vision whereby the eye is presented with two clear images at once. In particular this invention allows a lens to be made with arbitrary relative brightnesses between the multiple images.

582735

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