NF EN ISO 9342

October 1998

Standard Cancelled

Optics and optical instruments. Test lenses for calibration of focimeters.

Main informations

Collections

National standards and national normative documents

Publication date

October 1998

Number of pages

12 p.

Reference

NF EN ISO 9342

ICS Codes

11.040.70 Ophthalmic equipment

Classification index

S12-134

Print number

1 - 21/12/2004

International kinship

ISO 9342:1996

European kinship

EN ISO 9342:1998

Standard replaced by (2)

NF EN ISO 9342-1

October 2005

Standard Cancelled

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 specifies requirements for test lenses for the calibration of focimeters that are used for the measurement of spectacle form lenses.

NF EN ISO 9342-2

June 2006

Standard Current

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 specifies requirements for test lenses for focimeters that are used to measure contact lenses. These test lenses are used to find the precise correction values that are needed to convert the power values measured to back vertex power values. ISO 9342-2:2005 applies to focimeters meeting the requirements of ISO 8598.

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