BBC News | Eye cells could help diagnose Alzheimer's disease BBC News Alzheimer's is a neurodegenerative disease and is the most common type of dementia. The cause is still unknown and there is currently no cure. It often goes undetected for years until so many cells die that symptoms become increasingly prevalent. Could an eye test be used to diagnosed Alzheimer's? Study shows disease kills ... Eye Test Detects Alzheimer's Disease Early An Eye Test to Diagnose Alzheimer's? Research Says Possible |