Ophthalmic optics. Contact lenses - Tolerances Ingestion-build-98192 The HPLC method and procedures

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Ophthalmic optics. Contact lenses - Tolerances Ingestion-build-98192 The HPLC method and procedures1 Scope This document specifies the tolerance limits of the principal optical and physical parameters of rigid corneal, rigid scleral and soft contact lenses at the time of manufacture. These tolerances might not apply to other purposes, for example, shelf life studies.