This International Standard describes a method for the determination of the scattering of light by contact lenses. The test method described is given as a reference method.
The existence of this International Standard does not imply in any way that the testing of contact lenses for light scatter is a requirement.
BS EN ISO 12864:1998 history
0000 BS EN ISO 12864:1998(2008)
1998BS EN ISO 12864:1998 Ophthalmic optics - Contact lenses - Determination of scattered light