When visual disturbances are linked to neurologic disorders.
D000368:Aged; D000375:Aging; D001766:Blindness / Q000209:etiology; D005132:Eye Manifestations; D005133:Eye Movements; D006423:Hemianopsia / Q000209:etiology; D006801:Humans; D009422:Nervous System Diseases / Q000150:complications*; D009886:Ophthalmoplegia / Q000209:etiology; D014786:Vision Disorders / Q000209:etiology*; D014792:Visual Acuity