Intraocular lens and method of retaining in place

Details Intraocular lens and method of retaining in place Intraocular lens and method of retaining in place

1982-05-03

1984-05-22

Frinks, Ronald L.

A61F 116, A61F 124

Patent

active

044492570

ABSTRACT:
An intraocular lens of HEMA plastic cut while hard into a round lens with concentric grooves around peripheral margins. The lens is cut to a size that is small for emplacing but softens and expands to fill a posterior chamber capsule after it has been emptied of its natural contents. The softening and expanding of the lens is caused by the aqueous humor uptake into the of the dry lens from the capsule environment. The concentric grooves frictionally engage the rough interior walls of the said capsule to position and retain the lens in place therein.

REFERENCES:
patent: 3760045 (1973-09-01), Thiele et al.
patent: 3913148 (1975-10-01), Potthast
patent: 3961379 (1976-06-01), Highgate
patent: 4242762 (1981-01-01), Tennant
patent: 4244060 (1981-01-01), Hoffer
patent: 4254509 (1981-03-01), Tennant
patent: 4254510 (1981-03-01), Tennant
"Intra-Ocular Acrylic Lenses After Cataract Extraction", by Harold Ridley et al., The Lancet, Jan. 19, 1952, pp. 118-121.

Affiliated with

Also associated with

Rating

Intraocular lens and method of retaining in place does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Intraocular lens and method of retaining in place, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intraocular lens and method of retaining in place will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1471543