Ophthalmic lens with optimal power profile

Details Ophthalmic lens with optimal power profile Ophthalmic lens with optimal power profile

2007-03-20

2007-03-20

Schwartz, Jordan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S164000, C351S169000

Reexamination Certificate

active

11443769

ABSTRACT:
An ophthalmic lens includes an optical zone having a center and a spaced-apart periphery. The optical zone has a first corrective power range in a first region and a second corrective power range in an annular region surrounding the first optical zone. The second corrective power is corrective of spherical aberration of an eye. The optical zone has a power profile that gradually changes from the first corrective power to the second corrective power. A central progressive zone that provides intermediate vision correction may be applied to a central region of the lens. The progressive zone has a diameter that is less than or equal to the diameter of an aperture of a pupil when subjected to bright light.

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International Search Report PCT/EP2004/009322 Mailed Jan. 12, 2005.

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