УДК: 612.84

Comparing monocular and binocular visual acuity under noisy conditions

Muravieva, S.V., Vakhrameeva, O.A., Pronin, S.V., Shelepin, Y.E.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Муравьева С.В., Вахрамеева О.А., Пронин С.В., Шелепин Ю.Е. Сравнение монокулярной и бинокулярной остроты зрения в условиях помехи // Оптический журнал. 2015. Т. 82. № 10. С. 23–28.

Muravieva S.V., Vakhrameeva O.A., Pronin S.V., Shelepin Yu.E. Comparing monocular and binocular visual acuity under noisy conditions [in Russian] // Opticheskii Zhurnal. 2015. V. 82. № 10. P. 23–28.

For citation (Journal of Optical Technology):

S. V. Murav’eva, O. A. Vakhrameeva, S. V. Pronin, and Yu. E. Shelepin, "Comparing monocular and binocular visual acuity under noisy conditions," Journal of Optical Technology. 82(10), 663-666 (2015). https://doi.org/10.1364/JOT.82.000663

Abstract:

It is well known that an important function of binocular vision is to increase the SNR. When a signal simultaneously arrives along two channels, it is summed if the channels are statistically independent. The binocular visual acuity can then theoretically be increased by comparison with the monocular value by a factor of 2, or 1.4. This paper gives the results of experiments to measure the visual acuity by means of Landolt rings. It is established that binocular visual acuity is greater than monocular by a factor of 1.3 on the average. It is assumed that this can be associated with internal multiplicative discretization noise at the level of the retinal receptors. This result is important for understanding image processing in different channels of the visual system.

Keywords:

visual system, monocular visual acuity, binocular visual acuity, noise, internal noise

Acknowledgements:

This work was supported by Grant No. 14-15-00918 of the Russian Scientific Fund.

OCIS codes: 330.1070

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