Stereoacuity determination at changing contrast of colored stereostimuli

Gunta Papelba; Maris Ozolinsh; Jelena Petrova; Inara Cipane

doi:10.1117/12.517040

8 August 2003 Stereoacuity determination at changing contrast of colored stereostimuli

Gunta Papelba, Maris Ozolinsh, Jelena Petrova, Inara Cipane

Proceedings Volume 5123, Advanced Optical Devices, Technologies, and Medical Applications; (2003) https://doi.org/10.1117/12.517040
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

Studies are focused on design and appraisal of an objective test for assessment of the stereovision quality in unfavorable conditions. Stereostimuli of different colors are used while the contrast of one of the stimulus being varied. Tests are based on principles of black-and-white and two primary color random dot stereotests. Experiments are divided by the method of stimuli display and separation: 1) stereoeffect is obtained haploscopically - by use of spectacles with color filters (blue and red) or prisms, 2) stimuli separation is obtained by liquid crystal shutters when both eye stimuli are demonstrated with a different delay. The stereovision threshold is determiend at different stimuli disparities simulating the random dot stereotests on a computer monitor with a variable contrasts of one-color stimuli. The applied test differ by stimuli geometry, separation of vision channels, and by data processing. Tests have been appraised and may be used in stereovision studies.

Citation Download Citation

Gunta Papelba, Maris Ozolinsh, Jelena Petrova, and Inara Cipane "Stereoacuity determination at changing contrast of colored stereostimuli", Proc. SPIE 5123, Advanced Optical Devices, Technologies, and Medical Applications, (8 August 2003); https://doi.org/10.1117/12.517040

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