EN ISO 9342-2:2005
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)

Standard No.

EN ISO 9342-2:2005

Release Date

2005

Published By

European Committee for Standardization (CEN)

Latest

EN ISO 9342-2:2005

Scope

This part of ISO 9342 specifies requirements for test lenses for focimeters that are used to measure contactlenses. These test lenses are used to find the precise correction values that are needed to convert the powervalues measured to back vertex power values, as defined in Clause 3.

EN ISO 9342-2:2005 history

• 2005 EN ISO 9342-2:2005 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)