The OPU-01 frame is designed for fitting trial spectacle lenses and other elements of the set when selecting corrective glasses by the subjective trial method and in a number of other ophthalmological examinations. The distance from the axes of the right and left lens holders to the vertical axis of the frame (nose bridge) varies from 24 to 40 mm. Price of division of the scale-1mm.
Degree dial scales (TABO scale) are calibrated from 0 to 180 degrees. The price of division is 5 degrees. The number of cages installed in the lens holder of the frame - up to 4.
The length of the ear piece is not more than 135 mm. Overall dimensions of the frame, not more than, mm: 165h75h58.Weight of the frame OPU-01: no more than 90 grams. The frame is verified.
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