Keratoprosthesis

Details Keratoprosthesis Keratoprosthesis

1982-03-03

1984-09-11

Frinks, Ronald L.

A61F 116, A61F 124

Patent

active

044701594

ABSTRACT:
A keratoprosthesis having a generally cylindrical lens structure, extending anteriorly to the corneal stroma and posteriorly through the pupil and into the posterior chamber, and an anterior chamber supporting means. Certain preferred embodiments of the invention further include an anteriorly removable lens element, a lens structure having a posterior end of predetermined curvature for functioning as an intraocular permanent lens and an intracorneal flange support. The keratoprosthesis is virtually incapable of being extruded and permits subsequent visual correction without further surgical intrusion into the anterior chamber.

REFERENCES:
patent: 3458870 (1969-08-01), Stone
patent: 3945054 (1976-03-01), Fedorov et al.
patent: 4074368 (1978-02-01), Levy, Jr. et al.
patent: 4315337 (1982-02-01), Choyce
"Present Status of Prosthokeratoplasty" by R. Castroviejo et al., America Journal of Ophthalmology, Oct. 1969, vol. 68, No. 4, pp. 613-625.

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