Additional Information: |
Gradation of spherical lenses +: from 0.12 to 20.0 diopters; gradation of spherical lenses -: from 0.12 to 20.0 diopters; gradation of cylindrical lenses +: from 0.12 to 6.00 diopters; gradation of cylindrical lenses -: from 0.12 to 6.00 diopters; gradati
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