ISO/TR 19498:2015 specifies a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) formed and presented as specified in ISO 8596.
All test methods are type tests and suitable equivalent test methods may be substituted.
Status : PublishedPublication date : 2015-12
Edition : 1Number of pages : 4
Technical Committee:Ophthalmic optics and instruments
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