Macular Degeneration is a deterioration of the central part of the retina known as the macula. The macula is responsible for detailed central vision, allowing us to read small print and to see at far distances. The causes of macular degeneration are many and include advancing age (>50 years old), genetics, smoking , hypertension and abnormal cholesterol levels.
Diabetes damages the blood vessels in the retina causing the vessels to leak fluid and blood, and in severe cases to close off completely. This results in swelling of the retina, loss of blood flow to the retina and blurred vision. In some cases abnormal blood vessels may grow on the surface of the retina Continue Reading