PD ISO/TR 19498:2015
Current
The latest, up-to-date edition.
Ophthalmic optics and instruments. Correlation of optotypes
31-12-2015
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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