DIN EN ISO 18369-3
Ophthalmic optics - Contact lenses - Part 3: Measurement methods (ISO 18369-3:2017, Corrected version 2017-10-01)
Organization: | DIN |
Publication Date: | 1 April 2018 |
Status: | active |
Page Count: | 49 |
ICS Code (Ophthalmic equipment): | 11.040.70 |
scope:
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.
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