AN EVALUATION OF VISUAL-ACUITY SYMBOLS

[1] Berens C, 1937, Trans Am Ophthalmol Soc, V35, P351

[2] COWAN, 1928, ARCH OPHTH, V57, P283

[3] EVANS JN, 1919, AM J OPHTH, V2, P36

[4] EWING, 1902, AM J OPHTH FEB

[5] EWING, 1920, AM J OPHTH, V3, P1

[6] Ferree CE, 1940, ARCH OPHTHALMOL-CHIC, V24, P292

[7] FERREE CE, 1934, AM J OPHTHALMOL, V17, P610

[8] JACKSON E, 1932, AM J OPHTHALMOL, V15, P901

[9] VERHOEFF, 1938, ARCH OPHTH, V10, P226

[10] WAUGH DD, 1939, AMA ARCH OPHTHAL CHI, V21, P671

[1] Berens C, 1937, Trans Am Ophthalmol Soc, V35, P351

[2] COWAN, 1928, ARCH OPHTH, V57, P283

[3] EVANS JN, 1919, AM J OPHTH, V2, P36

[4] EWING, 1902, AM J OPHTH FEB

[5] EWING, 1920, AM J OPHTH, V3, P1

[6] Ferree CE, 1940, ARCH OPHTHALMOL-CHIC, V24, P292

[7] FERREE CE, 1934, AM J OPHTHALMOL, V17, P610

[8] JACKSON E, 1932, AM J OPHTHALMOL, V15, P901

[9] VERHOEFF, 1938, ARCH OPHTH, V10, P226

[10] WAUGH DD, 1939, AMA ARCH OPHTHAL CHI, V21, P671