Supersonic ophthalmic measuring apparatus

Details Supersonic ophthalmic measuring apparatus Supersonic ophthalmic measuring apparatus

1990-12-28

1991-10-15

Pellegrino, Stephen C.

Surgery

Truss

Pad

12866106, 12866203, 351212, A61B 316

Patent

active

050565222

ABSTRACT:
A supersonic ophthalmic measuring apparatus includes a supersonic probe for contacting the cornea of an eye to be examined. A calculator for calculating the amount of depression of the cornea of the eye to be examined caused by the supersonic probe, and a corrector for correcting the result of the measurement of the eye axis length of the eye to be examined by the supersonic probe by the amount of depression.

REFERENCES:
patent: 3394462 (1976-01-01), Rende
patent: 4508121 (1985-04-01), Wyers
patent: 4564018 (1986-01-01), Hutchison et al.
patent: 4666269 (1987-05-01), Nakamura et al.
patent: 4764006 (1988-08-01), Namano et al.
patent: 4766904 (1988-08-01), Kozin et al.
patent: 4770523 (1988-09-01), Yamada

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