海量图书期刊资源,随时随地畅享阅读乐趣
Estimating visual acuity by character counting using the Snellen visual acuity chartLevy, A H; McCulley, T J; Lam, B L; Feuer, W J · 2004
Visual acuity testing in diabetic subjects: the decimal progression chart versus the Freiburg visual acuity testLars Loumann Knudsen · 2003
Chart memory and visual acuity measurementCharles W McMonnies · 2001
Visual Acuity Conversion Chart2005
Visual Acuity Chart2008