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Proceedings Paper

Time response of the vision binocularity by use of dynamic suppression of retinal images
Author(s): Maris Ozolinsh; Kjell Inge Daae; Dick Bruenech; Ivazs Lacis
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Paper Abstract

We present a novel technique for determination the stereopsis dynamic response, using as stimulus a random dot stereopair. Stereopsis can be evoked or depressed by continuous or flash illumination of the stimulus with simultaneous control of a special light scattering obstacle build in the visual path of one eye. The obstacle--a thin plate of electrooptical PLZT ceramics-- exposes (by applying of the voltage to semitransparent gold electrodes deposited on both surfaces of the plate) light scattering so blurring the retinal image, similar as for an eye with a cataract, depressing stereopsis. The random dot stereopair contains contours of images with a different stereodisparity. The PLZT plates active (covered with electrodes and light scattering) part influences a part of the image of one eye so ensuring the continuous fusion of both eye stimuli and supplying a reference stereoimage in the clear range of the stimulus.

Paper Details

Date Published: 17 September 1999
PDF: 5 pages
Proc. SPIE 3863, 1999 International Conference on Biomedical Optics, (17 September 1999); doi: 10.1117/12.364362
Show Author Affiliations
Maris Ozolinsh, Univ. of Latvia (Latvia)
Kjell Inge Daae, Institutt for Optometri (Latvia)
Dick Bruenech, Institutt for Optometri (Norway)
Ivazs Lacis, Univ. of Latvia (Latvia)

Published in SPIE Proceedings Vol. 3863:
1999 International Conference on Biomedical Optics
Qingming Luo; Britton Chance; Lihong V. Wang; Steven L. Jacques, Editor(s)

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