Optics and optical instruments. Ophthalmic optics. Formers PAS 015 characteristic values determined in accordance

characteristic values determined in accordance with this standard may be used directly or may need additional adjustments specified in the relevant product standards

but provides modifiers for other conditions

2 Alkaline resistance

4 Symbols and abbreviated terms

Optics and optical instruments. Ophthalmic optics. Formers PAS 015 characteristic values determined in accordance1 Scope This International Standard specifies the characteristics of formers which are used in edging machines to edge lenses designed for insertion into spectacle frames. It is not applicable to separate formers required for supplementary treatment of lenses, for example facetting.