Visual problems of the aged.
D000368:Aged; D002386:Cataract / Q000453:epidemiology; D003704:Dementia / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011153:Population; D006113:United Kingdom; D014786:Vision Disorders / Q000453:epidemiology*