
Contact lenses - Determination of back vertex power - Part 1: Method using focimeter with manual focusing (ISO 9337-1:1999); English version of DIN EN ISO 9337-1
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Gives test procedures for determining the back vertex power of both rigid and hydrogel contact lenses in air using a focimeter with manual focusing. Applies to finished contact lenses.
Supersedes DIN 58223-2 (09/2000)
NEN EN ISO 9337-1:2000 - Identical
SS EN ISO 9337-1 Ed. 1 (2000) - Identical
UNE EN ISO 9337-1:2001 - Identical
SN EN ISO 9337-1:2000 - Identical
BS EN ISO 9337-1:2001 - Identical
ONORM EN ISO 9337-1:2000 - Identical
NBN EN ISO 9337-1:2000 - Identical
NF EN ISO 9337-1:2000 - Identical
UNI EN ISO 9337-1:2000 - Identical
I.S. EN ISO 9337-1:2000 - Identical
NS EN ISO 9337-1 Ed. 1 (2000) - Identical
ISO 9337-1:1999 - Identical