CEN/TC 170
| Project No. | EN ISO 18369-4:2017 |
|---|---|
| Title | ISO 18369-4:2017 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive index and water content. |
| Registration number (WIID) | 58928 |
| Scope | ISO 18369-4:2017 specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive index and water content. |
| Status | Izstrādē |
| ICS group | 11.040.70 |