ISO 8597:1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Optics and optical instruments — Visual acuity testing — Method of correlating optotypes
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
09-03-2019
15-09-1994
Lays down a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) specified by ISO 8596.
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