Improvement of assessment program to classify the visual field grade in physical disability using Humphrey Field Analyzer - Usui, Masahiko; Harasawa, Kayoko; Endo, Nariyoshi; Kodera, Hisako; Kunugita, Sayaka (JAPANESE ORTHOPTIC JOURNAL, 1999)
Keywords: assessment grade; Humphrey Field Analyzer; loss rate; new assessment programe; visual efficiency