Draft pre-standard
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This document uses relevant terms and definitions to highlight important aspects of the use of free-form technology in ophthalmic optics. The responsible national standardization committee is Working Group NA 027-01-08-09 AK "Charakterisierung von Freiformflächen" ("Characterization of free form surfaces") of Working Committee NA 027-01-08 AA "Augenoptik" ("Ophthalmic optics") at DIN Standards Committee Optics and Precision Mechanics (NAFuO).