Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses (ISO 9342-2:2005); German version EN ISO 9342-2:2005— 14 стр.
Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Test lenses for focimeters used for measuring spectacle lenses (ISO 9342-1:2005); German version EN ISO 9342-1:2005— 15 стр.
Contact lenses - Determination of back vertex power - Part 2: Measurement of contact lenses immersed in saline (ISO 9337-2:2004); German version EN ISO 9337-2:2004— 14 стр.
Contact lenses - Determination of back vertex power - Part 1: Method using focimeter with manual focusing (ISO 9337-1:1999); German version EN ISO 9337-1:2000— 11 стр.