FIELD: medical engineering. SUBSTANCE: device has optical element, which vision axis coincides the vision axis of the eye. The optical element has Fresnel-zone plate. Plate central zone diameter is functionally related to eye refraction value and the external diameter is determined on the basis of central zone diameter and the number of concentric circles on the plate. EFFECT: enhanced effectiveness of treatment; increased aperture ratio and vision angle. 1 dwg, 1 tbl
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