Method of laser-sculpture of the optically used portion of the c

Details Method of laser-sculpture of the optically used portion of the c Method of laser-sculpture of the optically used portion of the c

1987-05-13

1988-09-13

Kamm, William E.

Surgery

Truss

Pad

128395, A61F 900

Patent

active

047701722

ABSTRACT:
The invention contemplates removal of epithelium-layer material from the anterior surface of the cornea, as a step preparatory to laser surgery, wherein controlled ultraviolet irradiation of the cornea is operative to surgically ablate corneal tissue within an epithelium-free area which is in the optically used central region of the cornea; the control is such as to effect a predetermined sculpted corrective-curvature change in the optically used region. Other important pre-surgery and post-surgery procedural steps are disclosed, for greater assurance of a predictable curvature change through the sculpting laser surgery.

REFERENCES:
patent: 4665913 (1987-05-01), L'Esperance

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