By Armen Hareyan on May 3, 2005 - 7:00am 
for eMaxHealth
for eMaxHealthColumbia University/University of Iowa Study Suggests Inflammation And Other Immune Responses Might Trigger Genetic Cause of Blindness in Elderly
Age-related macular degeneration, the leading cause of blindness in the elderly, occurs when a common inherited gene variation is triggered, possibly by an infection, according to a new study led by researchers at Columbia University Medical Center and the University of Iowa, with an international research team.
The gene, known as Factor H, encodes a protein that regulates immune defense against infection caused by bacteria and viruses.
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