title: Visual manifestations of biological aging.
abstract: Changes in the peripheral visual system with age are candidates for inclusion in an index of biological aging. Accommodative amplitude and pupil diameter seem particularly promising candidates. Their advantages and limitations are considered, as are those of behavioral measures of other visual functions.
mesh_terms: D000065:Accommodation, Ocular; D000375:Aging; D006801:Humans; D011680:Pupil / Q000502:physiology*