Device for measuring intraocular light scatter

Details Device for measuring intraocular light scatter Device for measuring intraocular light scatter

1985-04-24

1987-07-14

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351211, 351243, 351237, A61B 310, A61B 302

Patent

active

046799176

ABSTRACT:
A novel optical device and method for measuring intraocular light scatter in a human vision system of a subject is described which comprises first and second light sources of respective predetermined intensities, the images of which are optically folded along a common optical axis and projected into the vision system of the subject, the first source being of intensity sufficient to generate intraocular haze in the vision system of the subject, the second source being movable in a plane substantially perpendicular to the axis along which its image is projected whereby the second source image as viewed by the subject may be selectively viewed with respect to the first source image to measure the apparent peripheral extent of the haze surrounding the first source image.

REFERENCES:
patent: Re28921 (1976-08-01), Haines et al.
patent: 3684355 (1972-08-01), Molner
patent: 4279478 (1981-07-01), Matsumura
patent: 4390255 (1983-06-01), Nohda et al.
patent: 4421391 (1983-12-01), Matsumura et al.

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