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PD ISO/TR 19498:2015

Current

Current

The latest, up-to-date edition.

Ophthalmic optics and instruments. Correlation of optotypes

Published date

31-12-2015

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Foreword
1 Scope
2 General requirements for optotypes
3 Correlation of optotypes
4 Assignment of an acuity score
5 Assessing the equivalence of two kinds of
  optotype
6 Significance of the difference between the two
  means
Bibliography

Defines a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) formed and presented as specified in ISO 8596.

Committee
CH/172/6
DocumentType
Standard
PublisherName
British Standards Institution
Status
Current

This Technical Report specifies a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) formed and presented as specified in ISO8596.

All test methods are type tests and suitable equivalent test methods may be substituted.

Standards Relationship
ISO/TR 19498:2015 Identical

ISO 8956:1986 Acceptance conditions for copying attachments, integral or otherwise, for lathes Testing of the accuracy

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