Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. Early on there are often no symptoms.
Born: 1948-09-17 - Died: 2003-09-11. Cause of Death: Aortic Dissection. Death Summary: John Ritter died from an aortic dissection caused by a congenital heart defect. He died in the middle of the second season of 8 Simple Rules for Dating My Teenage Daughter, a show that he was the star of.
The John Ritter Research Program. Following Ritter's death, Yasbeck and members of the Ritter family teamed up to create the John Ritter Research Program in Aortic and Vascular Diseases at The University of Texas Health Science Center at Houston.