Ophthalmological diagnosis method and apparatus

Details Ophthalmological diagnosis method and apparatus Ophthalmological diagnosis method and apparatus

1989-06-09

1992-02-25

Cohen, Lee S.

Surgery

Truss

Pad

351216, A61B 502

Patent

active

050904167

ABSTRACT:
An ophthalmological diagnosis method and an apparatus for carrying out the method is disclosed. According to the invention, one of a plurality of laser beams is selected depending upon the tissue layers in the eye fundus to be diagnosed, and is projected thereon. Light is scattered by blood cells within a tissue layer of the eye fundus that depends upon the wavelength of the selected laser beam. The scattered light is received and photoelectrically converted into an electrical signal, which is then evaluated to measure the blood flow state within the tissue layer of the eye fundus.

REFERENCES:
patent: 4157708 (1979-06-01), Imura
patent: 4166695 (1979-09-01), Hill et al.
patent: 4305398 (1981-12-01), Sawa
patent: 4346991 (1982-08-01), Gardner et al.
patent: 4350163 (1982-09-01), Ford, Jr. et al.
patent: 4402325 (1983-09-01), Sawa
patent: 4485820 (1984-12-01), Flower
patent: 4569354 (1986-09-01), Shapiro et al.
patent: 4702576 (1987-10-01), Magnante
patent: 4743107 (1988-05-01), Aizu et al.
Cohen et al., "Multiple Scattering Analysis of Retinal Blood Oximetry", IEEE Trans. on Biomed. Engr., vol. BME-23, No. 5, pp. 391-400, 9-1976.
"Monochromatic Ophthalmoscopy and Fundus Photography--the Normal Fundus", by F. C. Delori et al., Arch Ophthalmol, vol. 95, May 1977, pp. 861-868.
"Monochromatic Ophthalmoscopy and Fundus Photography--the Pathological Fundus", by N. M. Ducrey et al., Arch Ophthalmol, vol. 97, Feb. 1979, pp. 288-293.

Affiliated with

Also associated with

Rating

Ophthalmological diagnosis method and apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ophthalmological diagnosis method and apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ophthalmological diagnosis method and apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1886532