title: ABC of ophthalmology. Visual difficulty in old age.
mesh_terms: D000368:Aged; D000375:Aging; D002561:Cerebrovascular Disorders / Q000150:complications; D006801:Humans; D011932:Reading; D014786:Vision Disorders / Q000150:complications; D014792:Visual Acuity; D014796:Visual Perception; D014850:Waiting Lists