Multi-focal diffractive ophthalmic lenses

Details Multi-focal diffractive ophthalmic lenses Multi-focal diffractive ophthalmic lenses

G - Physics

02

C

88/41

G02C 7/06 (2006.01) G02B 5/18 (2006.01) G02C 7/04 (2006.01)

Patent

CA 1316728

FN 42977 CAN 6A Abstract A multifocal ophthalmic lens has optical power, at least a portion of the optical power being produced by diffraction. The lens has a plurality of diffractive zones including a circular central zone and a plurality of concentric annular zones. The central zone has a radius r0 and the first annular zone has a radius r1 where r12 - r02 is not equal to r02.

594964

Affiliated with

Also associated with

Rating

Multi-focal diffractive ophthalmic lenses does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-focal diffractive ophthalmic lenses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-focal diffractive ophthalmic lenses will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1218032