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ISO 18369-3
M00000528
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ISO 18369-3 2nd Edition, August 1, 2017 Ophthalmic optics - Contact lenses - Part 3: Measurement methods
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Description / Abstract: This document specifies the methods for measuring the physical and optical properties of contact lenses specified in ISO 18369-2, i.e. radius of curvature, label back vertex power, diameter, thickness, inspection of edges, inclusions and surface imperfections and determination of spectral transmittance. This document also specifies the equilibrating solution, i.e. standard saline solution, for testing of contact lenses.