Abstract / scope
Lays down a method of correlation between a given set of optotypes and the standard optotype (Landolt ring) specified by ISO 8596.
ISO 8597:1994Withdrawn
Optics and optical instruments — Visual acuity testing — Method of correlating optotypes
Optique et instruments d'optique — Méthode d'essai de l'acuité visuelle — Méthode de corrélation entre les optotypes