What is Macular Degeneration?

What is Macula?  What is Macular Degeneration?     Macular Degeneration is a disease that affects the central part of the retina – the part that we call the macula.  The retina has two types of photoreceptor cells: rods and cones.  Cones, which are mostly concentrated at the macula region of the retina, are responsible…