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Overview ISO/TR 28980:2007 - Ophthalmic optics - Spectacle lenses - Parameters affecting lens power measurement is an informative Technical Report that explains measurement-related changes introduced…
1 Scope The purpose of this Technical Report is to explain the changes relating to power measurements in the revised editions of ISO 8980-1 [6] and ISO 8980-2 [7] . In order to illustrate the issues…