Assisted assessment of visual stress – method to prevent and reduce the risk of visual function loss

Abstract

The paper deals with the problem of visual stress. In the first part, the con-cept of visual stress is explained, when it occurs and what risks it can in-volve. The second part presents a method by which the influence of visual stress can be effectively and objectively evaluated, in a form that occurs very frequently in everyday life. The method consists in evaluating 10 sub-jects, both in the abscess and in the presence of visual stress, 5 of them being emmetropic, the others having different refractive errors. The assessment of people consisted of testing them in front of the Laptop screen, they had to identify and select from a list certain randomly generated words. In the first stage the subjects were tested under normal conditions, later they were tested under conditions where two large lights of different colors flickered random-ly on the background of the screen. Assisted evaluation was possible thanks to a software interface that was designed, programmed and verified during this research. In one of the sections of the paper, the way in which the inter-face was created, as well as how to use it, is presented.