Binocular indirect ophthalmoscope including a tilted mirror

Details Binocular indirect ophthalmoscope including a tilted mirror Binocular indirect ophthalmoscope including a tilted mirror

1997-01-29

1998-09-29

Mai, Huy

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351221, A61B 310

Patent

active

058152415

ABSTRACT:
A binocular indirect ophthalmoscope has illumination optics which have a tilted mirror that can be substantially-linearly displaced, by use of a first control, perpendicular to a beam path of an illumination beam exiting the ophthalmoscope, and that can be independently pivoted, by use of a second control, about an axis perpendicular to the beam path of the illumination beam and perpendicular to a direction of linear displacement, the mirror directing light of the illumination beam onto a retina of a patient. First and second controls for linearly moving and pivoting a tilted mirror are coupled to each other in such a way that the second control can be held at a fixed position relative to a housing of an ophthalmoscope.

REFERENCES:
patent: 3582191 (1971-06-01), Cohen
patent: 3963329 (1976-06-01), Stumpf et al.
patent: 4684227 (1987-08-01), Schmidt et al.
patent: 5223863 (1993-06-01), Heine et al.
patent: 5333018 (1994-07-01), Heine et al.
patent: 5394201 (1995-02-01), Hauptli

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