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[Comparative evaluation of the usefulness of the methods of studying binocular vision for purposes of vocational guidance].

The deficiency of binocular vision calls for an absolute contraindication to perform a number of occupations. It is not easy to evaluate the binocular vision disturbance, especially in young people. Therefore it was decided to check the binocular vision by six methods and compare the results. Among 199 pupils of the seventh form of primary schools, the following binocular vision disturbances have been found: in 18% of subjects on stereometer, in 15% on a projector with polarizing glasses, in 14% lack of protective reflexes, in 13% on stereoscope, in 11,6% on synoptophore and lack of ambiopia after using the prism in 9% of subjects. All the tests yielded negative findings in 5,5% of subjects. The obtained data suggest that it is not enough to use just one method for a thorough determination of binocular vision.