Assessment of the level of visual performance depending on the magnitude of visual acuity in relation to cataract surgery
Year: 2021, volume 17 Issue: №3 Pages: 666-668
Heading: Тhematic supplement Article type: Original article
Authors: Trubilin V.N., Orlova О.М., Ovechkin I.G., Trubilin A.V., Pokrovsky D.F., Ovechkin N.I.
Organization: Academy of Postgraduate Education under the Federal Scientific and Clinical Center of the Federal Medical Biological Agency of Russia, Moscow Helmholtz Research Institute of Eye Diseases, Russian State Medical University
Heading: Тhematic supplement Article type: Original article
Authors: Trubilin V.N., Orlova О.М., Ovechkin I.G., Trubilin A.V., Pokrovsky D.F., Ovechkin N.I.
Organization: Academy of Postgraduate Education under the Federal Scientific and Clinical Center of the Federal Medical Biological Agency of Russia, Moscow Helmholtz Research Institute of Eye Diseases, Russian State Medical University
Summary:
Purpose: to assess the definition of surgical intervention in visually stressed patients with monocular cataracts, depending on the magnitude of visual acuity. Material and Methods. The study involved 22 volunteer test subjects (men) aged 30-35 years with emmetropic refraction. Experimental evaluation was performed by the plus spherical glass method. The indicator of the quality of accompanying tracking was used as a criterion for the level of visual performance. Results. In the range of optical modeling, a decrease in visual acuity to 0.6-0.9 visual performance was noted at a high level, amounting to 94.8-99.0% of the control values. A further decrease in visual acuity (from 0.5 to 0.3) led to a pronounced statistically significant decrease in visual performance to 74.3-80.6% of the control values (p=0.004-0.036). Conclusion. Surgical treatment of monocular cataract in visually strenuous labor patients should be considered from the standpoint of an earlier surgical intervention, which is confirmed (under conditions of optical-physiological modeling of a decrease in visual acuity) by the limiting value of the maximally corrected distance visual acuity (0.6), revealed in this work, below which there is a pronounced statistically significant deterioration in the level of visual performance.
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