Contact lens assembly with haptic and method for making the same

Details Contact lens assembly with haptic and method for making the same Contact lens assembly with haptic and method for making the same

1981-01-15

1984-03-06

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

3 13, 351177, A61F 116, G02C 704

Patent

active

044350503

ABSTRACT:
The invention contemplates improved extraocular-lens structures for contact with the cornea of a human eye, to be worn in place of spectacles. The construction features a lens element of requisite prescription power but of diameter which substantially equals or only slightly exceeds the fully dilated pupil size of the wearer, and fenestrated haptic structure engaged to the lens extends radially outwardly and is so thin and axially compliant as to be self-conforming to the curvature of the cornea and to effectively adhere thereto, thus stabilizing the lens for retention of its position on the optical axis of the eye.

REFERENCES:
patent: 3594074 (1971-07-01), Rosen
patent: 3973838 (1976-08-01), Page
patent: 4080709 (1978-03-01), Poler
patent: 4095878 (1978-06-01), Fanti
patent: 4122556 (1978-10-01), Poler
patent: 4126904 (1978-11-01), Shepard
patent: 4171878 (1979-10-01), Kivaev et al.
patent: 4268133 (1981-05-01), Fischer et al.

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