Ophthalmic disease detection apparatus

Details Ophthalmic disease detection apparatus Ophthalmic disease detection apparatus

1988-07-07

1990-07-17

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351205, 351214, A61B 310

Patent

active

049417410

ABSTRACT:
An apparatus for detecting ophthalmic diseases, such as inflammation in a patient's eye, includes a projection system for projecting and focusing a laser beam at a selected spot in the eye. The laser light scattered from the eye is photoelectrically detected through a slit in a mask and converted into an electrical signal which is used to determine the protein concentration in the patient's eye. A light shield member is displaceable in front of the mask slit to selectively block diffused light from the eye or scattered laser light to improve the S/N ratio of the electrical signal.

REFERENCES:
patent: 4213678 (1980-07-01), Pomerantzeff

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