Presbyopia correction using a protected space pattern, methods a

Details Presbyopia correction using a protected space pattern, methods a Presbyopia correction using a protected space pattern, methods a

1994-09-15

1998-09-08

Rimell, Sam

Surgery

Instruments

Light application

606 4, A61N 502

Patent

active

058039236

ABSTRACT:
A zone of increased curvature is produced in the inferior lower quadrants of the cornea FIG. 1 (5). This zone produces a "plus effect" FIG. 2 (5) which leads presbyopia patients to be able to read from near distance again. Such effect is achieved using photoablitive techniques and fixation, patterns, and apparatus specially designed.

REFERENCES:
patent: 4798204 (1989-01-01), L'Esperance, Jr.
patent: 4840175 (1989-06-01), Peyman
patent: 5102409 (1992-04-01), Balgorod
patent: 5196027 (1993-03-01), Thompson, Jr.
patent: 5318047 (1994-06-01), Davenport et al.
patent: 5376086 (1994-12-01), Khoobehi et al.

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