Transcription of VISUAL ACUITY MEASUREMENT STANDARD
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CONSILIUM OPHTHALMOLOGICUM UNIVERSALE. International Council of Ophthalmology VISUAL FUNCTIONS COMMITTEE. VISUAL ACUITY MEASUREMENT . STANDARD . Unanimously approved by the VISUAL Functions Committee, Ste. Margherita Ligure, Italy May 25, 1984. Presented to the Consilium Ophthalmologicum Universale, and approved for distribution Kos, Greece, October 5, 1984. Published in the Italian Journal of Ophthalmology II / I 1988, pp 1 / 15. Direct questions and correspondence to: August Colenbrander, MD. Secretary, VISUAL Functions Committee E-mail: 1. 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. G. Selection of Calibration Procedure 7.
the optokinetic nystagmus test measures detection, the illiterate "E" test determines a descriptive threshold, the familiar multi-letter chart provides an interpretive measure, and word recognition covers many aspects of the interactive level. Resolution and its measurement is a …
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