Multifocal ophthalmic lenses with spherical aberration varying w

Details Multifocal ophthalmic lenses with spherical aberration varying w Multifocal ophthalmic lenses with spherical aberration varying w

1998-12-16

2000-11-14

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, G02C 706

Patent

active

061459879

ABSTRACT:
A multifocal ophthalmic lens is disclosed. The power profile (P) of the lens as a function of the height (h) above the axis (A) of the lens and the addition (Add) corresponding to the degree of presbyopia of the wearer is defined by an equation of the form:

REFERENCES:
patent: 4976534 (1990-12-01), Miege
patent: 5699141 (1997-12-01), Monteil

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