Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1985-09-27
1987-10-27
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351221, 128745, A61B 310, A61B 1300
Patent
active
047025760
ABSTRACT:
A method and apparatus for non-invasive in vivo inspection of ocular tissue wherein a laser provides a low power, coherent and uniform output beam of light which is guided through the optical system of a modified slit lamp biomicroscope to the eye of a patient for scattering by protein molecules in the ocular tissue of the patient, and scattered laser light in the ocular tissue is viewed through the slit lamp to visually align a pick up associated with the slit lamp optical system to a desired location in the ocular tissue. A measurement is performed by receiving laser light scattered from the ocular tissue and converting the scattered light into an electrical signal, and the electrical signal is analyzed by sorting it into components each characterized by an intensity and a fluctuation rate and each component associated with a protein group in the ocular tissue.
REFERENCES:
patent: 4350163 (1982-09-01), Ford, Jr.
Bovernick Rodney B.
Cambridge Instruments Inc.
Spencer Alan H.
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