Posterior chamber intraocular lens

Details Posterior chamber intraocular lens Posterior chamber intraocular lens

1985-11-18

1987-03-10

Frinks, Ronald L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

A61F 216

Patent

active

046488790

ABSTRACT:
A posterior chamber intraocular lens having, according to one preferred form, at least one projection extending rearwardly from a location radially outwardly of a peripheral rear edge portion of the optic for spacing, from the mid-portion of the rear surface of the optic, the adjacent region of the posterior capsule containing the tension line. If desired, after implantation of the lens, the posterior capsule may be safely perforated with a laser beam transversely to a line of tension formed by the projection, causing the posterior capsule to tear and form an opening to eliminate any cloudiness of the posterior capsule from behind the optic. According to another preferred form, the lens has a pair of rearward projections, each located radially outwardly of opposite peripheral portions of the optica and cooperating to produce a similar tension and spacing effect.

REFERENCES:
patent: 4172297 (1979-10-01), Schlegel
patent: 4495665 (1985-01-01), Kelman
patent: 4562600 (1986-01-01), Ginsberg et al.
Medical Optics PC-15L, Posterior Chamber Intraocular Lens (advertisement), American Medical Optics, Oct. 1983.

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