Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1987-05-27
1989-04-25
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351222, 351237, 356390, A61B 302, A61B 314, G03B 2900
Patent
active
048242381
ABSTRACT:
A method is provided of comparing eye fundus slides for analysis. This method includes using an archival slide for a reference, preparing a current eye fundus slide and comparison with the reference and using a two-projector system for superimposing the image of the current eye fundus slide on the image of the reference.
REFERENCES:
patent: 2460350 (1949-02-01), Hinman
patent: 2765704 (1956-10-01), Mottu
patent: 3737217 (1973-06-01), Haines
patent: 4340281 (1982-07-01), McIntyre
Feldman Robert L.
Spaeth George L.
Bovernick Rodney B.
Silber Siegmar
Spaeth George L.
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