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vol 64 / July , 2021
Article

DOI 10.17586/0021-3454-2016-59-8-699-707

UDC 681.52:372.862.896

COMPARATIVE ANALYSIS OF DYNAMIC VISUAL ACUITY ESTIMATION METHODS

Y. A. Rotz
St. Petersburg National Research University of Information Technologies, Mechanics and Optics, Department of Mechatronics; Post-Graduate Student


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Abstract. Two patented methods of dynamic visual acuity (DVA) evaluating are described. Method 1 found on using the device that contain a rotating cylinder with a optotype table (strings of black squares separated by white stripes) on the outer surface. Method 2 found on using of high-speed video recording of patient eye movements during recognition of moving optotype (Landolt ring demonstrated on the screen). Statistics on the DVA values measured in a group of subjects in the age 21—35 years was collected (number of participants: method 1—42, method 2—9). The mean DVA value obtained from measurements by the method 1 equals to 25.08 ms, and measurements by the method 2 give 272 ms. Results of performed measurements are presented in various systems of units.
Keywords: dynamic visual acuity, visual performance, static visual acuity, optotype, optotype chart, minimum angle of resolution of an eye (MAR), eye tracking

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