A Visual Acuity Chart with Geometric Gradation and Logarithmic Notation

Since the principle that optotypes on a test chart should follow a geometric progression was advocated by Green1 in 1867 and developed by Sloan2 in 1959, many such test charts have been designed.3,4 However, none of the charts has an exact logarithmic notation. In 1959, one of us (T.-Y. M.) designed...

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Veröffentlicht in:	American journal of ophthalmology 1983-06, Vol.95 (6), p.835-837
Hauptverfasser:	Miao, Tian-Yung, Wang, Guang-Ji, Pomerantzeff, Oleg
Format:	Artikel
Sprache:	eng
Schlagworte:	Humans Mathematics Vision Tests Visual Acuity
Online-Zugang:	Volltext
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