Laser apparatus including binocular indirect ophthalmoscope

Details Laser apparatus including binocular indirect ophthalmoscope Laser apparatus including binocular indirect ophthalmoscope

1991-10-22

1993-10-12

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351205, 351214, A61B 310

Patent

active

052529991

ABSTRACT:
This application discloses a laser apparatus including a binocular indirect ophthalmoscope for irradiating a treatment laser beam on an eye to be treated comprising, an optical fiber for guiding the treatment laser beam to the binocular indirect ophthalmoscope, an optical element, which reflects the treatment laser beam while penetrates a pair of observation beams of the binocular indirect ophthalmoscope is provided in the object side of an ophthalmoscope lens, an optical system which directs the treatment laser beam to said optical element so that the axis of the treatment laser beam coincides with the substantial center of said pair of observation beam axes, whereby the power of the treatment laser beam becomes stable owing to above constitution.

REFERENCES:
patent: 4477159 (1984-10-01), Mizuno et al.
patent: 4561436 (1985-12-01), Munnerlyn
patent: 4580559 (1986-04-01), L'Esperance
patent: 4671631 (1987-06-01), Sigelman
patent: 4993827 (1991-02-01), Benedek et al.
patent: 5067951 (1991-11-01), Greve

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