Progressive reading and intermediate distance lens defined...

Details Progressive reading and intermediate distance lens defined... Progressive reading and intermediate distance lens defined...

G - Physics

02

C

G02C 7/06 (2006.01)

Patent

CA 2704213

There is provided a lens that includes a corridor having a width greater than or equal to about 6 millimeters. The lens has astigmatism less than or equal to about 0.5 diopter within the corridor. There is also provided an item of eyewear that includes such a lens, and a method for representing a surface of an ophthalmic lens.

L'invention porte sur une lentille comprenant un corridor ayant une largeur supérieure ou égale à environ 6 millimètres. La lentille a un astigmatisme inférieur ou égal à environ 0,5 dioptre à l'intérieur du corridor. L'invention porte également sur un article de lunetterie comprenant une telle lentille, et sur un procédé pour représenter une surface d'une lentille ophtalmique.

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