G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 1/00 (2006.01) A61F 2/16 (2006.01) G02C 7/04 (2006.01)
Patent
CA 2394305
The invention provides lenses incorporating both birefringent material and zones of more than one optical power, or focal length.
L'invention concerne des lentilles se composant d'une matière biréfringente et de zones présentant plus d'une puissance optique, ou longueur focale.
Chehab Khalid
Roffman Jeffrey H.
Johnson & Johnson Vision Care Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
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