Ophthalmic contact lens with internal fixation light for examina

Details Ophthalmic contact lens with internal fixation light for examina Ophthalmic contact lens with internal fixation light for examina

1990-03-22

1991-06-18

Dzierzynski, Paul M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351221, A61B 300

Patent

active

050245180

ABSTRACT:
An instrument and method for examining the optic nerve head (34) of a patient's eye (14) is disclosed. The instrument is comprised of a gonioscopic lens (10) a lens system (26) where the lens system (26) directs a collimated beam of light towards a point (32) away from the center line (28) through the gonioscopic lens (10) and eye (14). When the patient fixates on the beam of light (32), the ophthalmologist can examine the optic nerve head (34) through the gonioscopic lens (10).

REFERENCES:
patent: 3439978 (1969-04-01), Moore et al.
patent: 3589800 (1971-06-01), Cardona
patent: 3630602 (1971-12-01), Herbert
patent: 3780979 (1973-12-01), deGuillebon
patent: 3944341 (1976-03-01), Pomerantzeff
patent: 3954329 (1976-05-01), Pomerantzeff
patent: 4007980 (1977-02-01), Bracher et al.
patent: 4056310 (1977-11-01), Shimizu et al.
patent: 4169664 (1979-10-01), Bailey
patent: 4485820 (1984-12-01), Flower
patent: 4553824 (1985-11-01), Abe
patent: 4573778 (1986-03-01), Shapiro
patent: 4871247 (1989-10-01), Haynes

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