Objective eye alignment measurement method and system

Details Objective eye alignment measurement method and system Objective eye alignment measurement method and system

1991-04-01

1993-05-25

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351208, 351246, 356153, A61B 314

Patent

active

052144550

ABSTRACT:
Eye alignment is determined by producing a combined iris/retinal image by use of an imaging system. The relative position of the centroid of the pupil and various structures on the retina is indicative of the eye alignment. The eye alignment may be determined by comparing a combined iris/retinal image at the present time with a stored iris/retinal image at a past time. The imaging system may be a laser scanning ophthalmoscope.

REFERENCES:
patent: 4213678 (1980-07-01), Pomerantzeff et al.
patent: 4253743 (1981-03-01), Matsumura
patent: 4867554 (1989-09-01), Matsumura

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