DIN EN ISO 18369-4:2018 Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01); German version EN ISO 18369-4:2017
This standard specifies the methods of testing the physicochemical properties of contact lens materials. These are extractable substances, rigid flexure and breakage, oxygen permeability, refractive index and water content.
DIN EN ISO 18369-4:2018 Referenced Document
ASTM F1927-14 Standard Test Method for Determination of Oxygen Gas Transmission Rate, Permeability and Permeance at Controlled Relative Humidity Through Barrier Materials Using a Coulometric Detector*, 2024-04-20 Update
DIN EN ISO 18369-1:2018 Ophthalmic optics - Contact lenses - Part 1: Vocabulary, classification system and recommendations for labelling specifications (ISO 18369-1:2017, Corrected version 2017-10-01)
DIN EN ISO 18369-2:2018 Ophthalmic optics - Contact lenses - Part 2: Tolerances (ISO 18369-2:2017); German version EN ISO 18369-2:2017
DIN EN ISO 18369-3:2018 Ophthalmic optics - Contact lenses - Part 3: Measurement methods (ISO 18369-3:2017, Corrected version 2017-10-01); German version EN ISO 18369-3:2017
DIN ISO 3696:1991 Water for analytical laboratory use; specification and test methods; identical with ISO 3696:1987
ISO 18369-1:2017 Ophthalmic optics — Contact lenses — Part 1: Vocabulary, classification system and recommendations for labelling specifications
ISO 18369-2:2017 Ophthalmic optics — Contact lenses — Part 2: Tolerances
ISO 18369-3:2017 Ophthalmic optics — Contact lenses — Part 3: Measurement methods
ISO 3696:1987 Water for analytical laboratory use; Specification and test methods
DIN EN ISO 18369-4:2018 history
2018DIN EN ISO 18369-4:2018-04 Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01); German version EN ISO 18369-4:2017
2018DIN EN ISO 18369-4:2018 Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01); German version EN ISO 18369-4:2017
2006DIN EN ISO 18369-4:2006 Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2006); English version of DIN EN ISO 18369-4:2006-11