Oriented simultaneous vision bifocal contact lenses or the like

Details Oriented simultaneous vision bifocal contact lenses or the like Oriented simultaneous vision bifocal contact lenses or the like

1988-07-14

1990-05-08

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

623 6, G02C 704, A61F 216

Patent

active

049232967

ABSTRACT:
A lens system comprises a pair of corrective lenses whose surfaces are divided into a series of substantially discrete near and distant vision zones whose dimensions and positions are such that, relative to the line of sight of the right and left eye respectively, each zone on one lens containing the distance power correction corresponds to a similar zone on the other lens containing the near power correction.

REFERENCES:
patent: 3431327 (1969-03-01), Tsuetaki

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