Method of making a lens and haptic assembly

Details Method of making a lens and haptic assembly Method of making a lens and haptic assembly

1982-09-20

1985-06-04

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156153, 156633, 156645, 156668, B44C 122, C03C 1500, C03C 2506, B29C 1708

Patent

active

045212732

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: 2275602 (1942-03-01), Beck et al.
patent: 4080709 (1978-03-01), Poler
patent: 4122556 (1978-10-01), Poler

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