Optoelectronic stereoscopic device for diagnostics, treatment, and developing of binocular vision

Larisa Pautova; Victor A. Elkhov; Yuri N. Ovechkis

doi:10.1117/12.517038

8 August 2003 Optoelectronic stereoscopic device for diagnostics, treatment, and developing of binocular vision

Larisa Pautova, Victor A. Elkhov, Yuri N. Ovechkis

Proceedings Volume 5123, Advanced Optical Devices, Technologies, and Medical Applications; (2003) https://doi.org/10.1117/12.517038
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

Operation of the device is based on alternative generation of pictures for left and right eyes on the monitor screen. Controller gives pulses on LCG so that shutter for left or right eye opens synchronously with pictures. The device provides frequency of switching more than 100 Hz, and that is why the flickering is absent. Thus, a separate demonstration of images to the left eye or to the right one in turn is obtained for patients being unaware and creates the conditions of binocular perception clsoe to natural ones without any additional separation of vision fields. LC-cell transfer characteristic coodination with time parameters of monitor screen has enabled to improve stereo image quality. Complicated problem of computer stereo images with LC-glasses is so called 'ghosts' - noise images that come to blocked eye. We reduced its influence by adapting stereo images to phosphor and LC-cells characteristics. The device is intended for diagnostics and treatment of stabismus, amblyopia and other binocular and stereoscopic vision impairments, for cultivating, training and developing of stereoscopic vision, for measurements of horizontal and vertical phoria, phusion reserves, the stereovision acuity and some else, for fixing central scotoma borders, as well as suppression scotoma in strabismus too.

Citation Download Citation

Larisa Pautova, Victor A. Elkhov, and Yuri N. Ovechkis "Optoelectronic stereoscopic device for diagnostics, treatment, and developing of binocular vision", Proc. SPIE 5123, Advanced Optical Devices, Technologies, and Medical Applications, (8 August 2003); https://doi.org/10.1117/12.517038

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