Optical: systems and elements – Compound lens system – Microscope
Patent
1990-10-29
1992-03-24
Arnold, Bruce Y.
Optical: systems and elements
Compound lens system
Microscope
359368, 359385, 359227, G02B 2106, G02B 2602
Patent
active
050993542
ABSTRACT:
A single aperture confocal scanning biomicroscope is disclosed with an illumination system having a pair of lenses surrounding an aperture for collimating a field of light, a pivotally mounted flap for blocking a central portion of the light in order to create peripheral illumination, and an aperture assembly comprised of a cylindrical lens, aperture, and beam splitter which is oscillated within the light field in order to create an aperture size optical beam for scanning a patient's eye and ocular adnexae. With the illumination system of the present invention, techniques involving both direct illumination and indirect illumination may be utilized in examining the eye to produce a true confocal image thereof. Single aperture confocal scanning techniques may be brought to existing slit lamp biomicroscopes with a kit comprised simply of a pair of lenses and an aperture in one embodiment which utilizes the existing illumination system. In a second embodiment, a completely new illumination system is also utilized which provides for examination techniques utilizing both direct and indirect illumination.
REFERENCES:
patent: 3315680 (1967-04-01), Silbertrust et al.
patent: 3524702 (1970-08-01), Bellows et al.
patent: 3664751 (1972-05-01), Haas
patent: 3780979 (1973-12-01), deGuillebon
patent: 3926500 (1975-12-01), Frosch et al.
patent: 3944341 (1976-03-01), Pomerantzeff
patent: 4056310 (1977-11-01), Shimizu et al.
patent: 4061423 (1977-12-01), Pomerantzeff
patent: 4062623 (1977-12-01), Suzuki et al.
patent: 4198571 (1980-04-01), Sheppard
patent: 4215934 (1980-08-01), Karasawa et al.
patent: 4323299 (1982-04-01), Roberts
patent: 4359282 (1982-11-01), Garrison
patent: 4565197 (1986-01-01), Daly
patent: 4927254 (1990-05-01), Kino et al.
Amos et al., "Use of Confocal Imaging in the Study of Biological Structures", Applied Optics, vol. 26, No. 16, 8/15/87, pp. 3239-3243.
Xiao et al., "Real-Time Confocal Scanning Optical Microscope", Appl. Phys. Lett., vol. 53, No. 8, 8/22/88, pp. 716-718.
Dave Rakhal
Lichtman Jeffrey W.
Pepose Jay S.
Arnold Bruce Y.
Phan James
Washington University
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