Italian translation: mappe/curve (di livello) isocilindriche
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English to Italian translations [PRO] Other / eyewear
English term or phrase:iso-cylinder contours
Progressive lens of hard design and power 0.00 Add +2.25 with an 18mm corridor provides a corridor width of 4mm within which the surface astigmatism does not exceed 0.50 D. Note that other iso-cylinder contours are not shown