VISUAL ACUITY MEASUREMENT STANDARD
Visual Acuity measurement Standard – ICO 1984 TABLE OF CONTENTS PREFACE, Membership 3 A. PREAMBLE 4 DISCUSSION OF PRINCIPLES 5 B. Purpose of measurement 5 C. Certification and Licensing 6 D. Reference Optotype 6 E. Selection of Clinical Optotypes 7 F. Selection of Chart Design 7
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