Scanning ophthalmoscope for examining the fundus of the eye

Details Scanning ophthalmoscope for examining the fundus of the eye Scanning ophthalmoscope for examining the fundus of the eye

1977-09-29

1980-07-22

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 6, 351 16, A61B 310, A61B 314

Patent

active

042136784

ABSTRACT:
A scanning ophthalmoscope for repeatedly scanning a selected portion of an eye fundus has a laser source which produces a directed narrow-beam output and means for scanning the fundus with at least one selected scanning sequence. The scanning beam passes through a pivot point located in a preselected plane, preferably within the eye, for providing a wide field of view. An optical system directs light reflected from the fundus to a detector, which produces an electrical output signal proportional to the detected light. An output element provides a visual representation of the magnitude of the output signal in a spatial distribution corresponding to the scanning sequence.

REFERENCES:
patent: 3417754 (1968-12-01), Smart
patent: 3780979 (1973-12-01), de Guillebon
patent: 4007990 (1977-02-01), McDevitt et al.
Kelly et al., "Research Study of a Fundus Tracker for Experiments in Stabilized Vision", NASA CR-1121, 9/68.

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