Optical system which allows coincident viewing, illuminating and

Details Optical system which allows coincident viewing, illuminating and Optical system which allows coincident viewing, illuminating and

1989-10-11

1991-08-27

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Microscope

359407, 359389, G02B 2302

Patent

active

050429302

ABSTRACT:
A binocular surgical loupe which enhances the illumination of the viewed field while avoiding flare effects of illuminating light within the loupe optics. The binocular system utilizes circularly polarized illumination and viewing to prevent flare effects and additionally enhances the illumination of the field of view by utilization of the illumination source waste beam that results from the presence of a beam splitter in the illumination path within the loupe. In addition, a camera system is provided which permits remote viewing of the user's field of view. In one embodiment the camera and view paths include separate, identical zoom lenses which are synchronously controlled so that the fields of illumination and view are kept coextensive. In another embodiment for a binocular loupe, the loupe optics for one eye combines illumination and viewing functions while the loupe for the other eye combines camera and viewing functions.

REFERENCES:
patent: 2111187 (1938-03-01), Keeler
patent: 2246817 (1941-06-01), Sauer
patent: 2318705 (1943-05-01), Morgan
patent: 3066569 (1962-12-01), MacDonald
patent: 3853398 (1974-12-01), Kano
patent: 4448498 (1984-05-01), Muller et al.
patent: 4516190 (1985-05-01), Kloots
patent: 4593683 (1986-06-01), Blaha
patent: 4759615 (1988-07-01), Bainbridge et al.
patent: 4834525 (1989-05-01), Vansaghi
Smith, "Prisms and Mirrors", Modern Optical Engineering, 1980, pp. 92-95.
American Journal of Ophthalmology, May 1971, advertisement by the Xonix Corp.

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