[Testing visual acuity in low vision states].
Hahn
G A
GA
Weismann
M
M
Trauzettel-Klosinski
S
S
D004185:Disability Evaluation; D005858:Germany; D006801:Humans; D038801:International Classification of Diseases; D014787:Vision Tests / Q000379:methods*; D015354:Vision, Low / Q000145:classification*; D014792:Visual Acuity; D014794:Visual Fields; D019987:Persons with Visual Disabilities / Q000331:legislation & jurisprudence / Q000534:rehabilitation*; D014944:World Health Organization