Corneal contact lens and method for treating myopia

Details Corneal contact lens and method for treating myopia Corneal contact lens and method for treating myopia

1991-08-23

1993-03-02

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, G02C 704

Patent

active

051913658

ABSTRACT:
A corneal contact lens for use in treating myopia by controlled corneal molding. The lens includes a central zone having a central zone radius of curvature and a tear zone. The tear zone is located concentrically around the central zone and has a radius of curvature which is smaller than the central zone. A transition zone is provided between the central zone and the tear zone wherein the transition zone has at least one transition ring. The lens may also include a peripheral zone which is located concentrically around the tear zone wherein the peripheral zone includes multiple peripheral curves having radii of curvature equal to or greater than the central zone.

REFERENCES:
patent: 4952045 (1990-08-01), Stoyan
patent: 5024517 (1991-06-01), Seidner

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