Confocal scanning ophthalmoscope

Details Confocal scanning ophthalmoscope Confocal scanning ophthalmoscope

1990-10-25

1991-12-10

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351205, A61B 310

Patent

active

050712462

ABSTRACT:
The invention is directed to a confocal scanning ophthalmoscope defining an illuminating beam path and a viewing beam path with these paths having respective portions extending along a common path segment. The ophthalmoscope has a light-deflecting device mounted in a first apparatus part and in the common path segment for scanning the ocular fundus point-by-point. A first flexible light-wave conductor conducts light transmitted by a real light source to a point light source. The ophthalmoscope has a pinhole diaphragm which is mounted in the viewing beam path and in a plane conjugated to the point light source. A detector of the ophthalmoscope measures the light transmitted through the pinhole diaphragm and a second flexible light-wave conductor conducts this light to the detector. The detector is mounted in a second apparatus part separate from the first apparatus part so as to permit movement of the parts relative to each other.

REFERENCES:
patent: 3698099 (1972-10-01), Matsura
patent: 4702576 (1987-10-01), Magnante
patent: 4711542 (1987-12-01), Ichihashi et al.
patent: 4886351 (1989-12-01), Sabban et al.

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