Diffractive multifocal ophthalmic lens

Details Diffractive multifocal ophthalmic lens Diffractive multifocal ophthalmic lens

1996-05-23

1997-12-16

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351161, 351168, 359571, 623 6, G02C 704, G02B 518, A61F 216

Patent

active

056991428

ABSTRACT:
A diffractive, multifocal ophthalmic lens including an apodization zone with echelettes having a smoothly reduced step height to shift the energy balance from the near image to the distant image and thus reduce the glare perceived when viewing a discrete, distant light source.

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