The leading cause of blindness in developed countries for people of the age of 50 and above is Age-Related Macular Degeneration (ARMD), (Care to guess what the leading cause is in developing countries?). Although the exact cause is still unknown, it is mostly thought to be vascular.
Risk factors: include increasing age, smoking, family history and light-coloured eyes.
Types: dry ARMD and "wet" or exudative ARMD
