title: On age-related norms of the visual field.
abstract: We prospectively studied the influence of age on visual fields obtained from 108 normal subjects (147 eyes) by using the Humphrey Field Analyzer (Program 30-2). Differential light sensitivity remained constant irrespective of age until the age of 35 to 44 years in the vast majority of test locations and then decreased linearly with age. The rate of linear decline differed at different test locations and failed to correlate with the eccentricity from the fixation, although its variance increased with the eccentricity. The mean sensitivity and the volume of the visual field were also constant until the age of 37.4 and 37.6 years, respectively.
authors.affiliation: Department of Ophthalmology, Gifu University School of Medicine, Japan.
authors.forename: A
authors.initials: A
authors.lastname: Iwase
authors.forename: Y
authors.initials: Y
authors.lastname: Kitazawa
authors.forename: Y
authors.initials: Y
authors.lastname: Ohno
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D015351:Vision Screening; D058609:Visual Field Tests; D014794:Visual Fields