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The Random Dot Test was used for a screening of the visual acuity of children of 6 to 10 years of age. The testing time is reduced by 50% as compared with the examination by means of illiterate E images on cardboard charts. Children with refractive errors of up to 3 delta but normal visual acuity after correction are not detected at the examination distance of 1.30 m used in this study. None out of 672 children with severe eye diseases gave false negative results with the Random Dot Test. Disturbances of the binocular vision could also be detected with the Random Dot Test.
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