Process of formation of an image of the eye free from reflection

Details Process of formation of an image of the eye free from reflection Process of formation of an image of the eye free from reflection

1982-04-30

1985-08-06

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

A61B 314

Patent

active

045332231

ABSTRACT:
A process and apparatus for forming a reflection-free image of an eye for photographing and/or observing is provided. The eye is at least partially coated with a fluorescent substance, and is illuminated with radiation of a wavelength less than or equal to the minimum wavelength of radiation emitted by the excited fluorescent substance. The reflections are then eliminated from the image by filtering out reflected radiation with wavelengths less than the minimum wavelength of radiation emitted by the excited fluorescent substance.

REFERENCES:
patent: 3169459 (1965-02-01), Friedberg et al.
patent: 3842253 (1974-10-01), Walker et al.

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