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DIN 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
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Summary
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.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 04/01/2018 |
| Page Count | 49 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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