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I.S. EN ISO 8598:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

OPTICS AND OPTICAL INSTRUMENTS - FOCIMETERS

Available format(s)

Hardcopy , PDF

Superseded date

11-10-2014

Superseded by

I.S. EN ISO 8598-1:2014

Language(s)

English

Published date

01-01-1999

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

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Foreword
1 Scope
2 Normative references
3 Definitions
4 Design requirements and recommendations for general
  purpose focimeters
5 Accuracy requirements
6 Testing
ANNEX ZA (normative) Normative references to international
         publications with their corresponding European
         publications
ANNEX ZB (informative) A-deviations

Defines requirements for continuously indicating focimeters and digitally rounding focimeters with which the vertex powers and prismatic powers of spherical and astigmatic lenses, including lenses mounted in frames and contact lenses, can be measured and with which lenses can be orientated and marked.

DocumentType
Standard
Pages
38
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

ISO 9342:1996 Optics and optical instruments Test lenses for calibration of focimeters
EN ISO 8429:1996 Optics and optical instruments - Ophthalmology - Graduated dial scale (ISO 8429:1986)
ISO 7944:1998 Optics and optical instruments — Reference wavelengths
EN ISO 9342 : 1998 OPTICS AND OPTICAL INSTRUMENTS - TEST LENSES FOR CALIBRATION OF FOCIMETERS
EN ISO 7944:1998 Optics and optical instruments - Reference wavelengths (ISO 7944:1998)
ISO 8429:1986 Optics and optical instruments Ophthalmology Graduated dial scale

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