Ophthalmic measuring method and apparatus

Details Ophthalmic measuring method and apparatus Ophthalmic measuring method and apparatus

1987-05-18

1989-06-13

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

128633, A61B 310

Patent

active

048386839

ABSTRACT:
An ophthalmic measuring method and apparatus according to the present invention are provided for the purpose of measuring the state of microparticles in the aqueous chamber of an eye to be examined which is irradiated with a laser beam to detect the scattering characteristics in the aqueous chamber of the eye. A laser beam with a predetermined wavelength is projected into the aqueous chamber of the eye. Light scattered from the aqueous chamber is received with or without a linear polarizer and evaluated in terms of the changes between the scattering characteristics with or without the linear polarizer in order to measure the number or concentration of the microparticles present in the aqueous chamber for the purpose of detecting ophthalmic diseases.

REFERENCES:
patent: 4208107 (1980-06-01), Oharek
patent: 4702576 (1987-10-01), Magnante

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