Degenerative retinal diseases and exposure to light: methods of epidemiological study.
D000368:Aged; D003430:Cross-Sectional Studies; D006801:Humans; D008027:Light / Q000009:adverse effects*; D008875:Middle Aged; D011832:Radiation Injuries / Q000453:epidemiology; D012160:Retina / Q000528:radiation effects; D012162:Retinal Degeneration / Q000453:epidemiology / Q000209:etiology*; D012189:Retrospective Studies; D012306:Risk; D013997:Time Factors