Macular Degeneration 101
Age-related macular degeneration, often called ARMD or AMD, is the leading cause of vision loss among Americans 65 and older.
AMD causes damage to the macula, which is the central portion of the retina responsible for sharp central vision. AMD doesn't lead to complete blindness because peripheral vision is still intact, but the loss of central vision can interfere with simple everyday activities such as reading and driving, and it can be very debilitating.
Types of Macular Degeneration
There are two types of macular degeneration: Dry AMD and Wet AMD.
Dry (non-exudative) macular degeneration constitutes approximately 85-90% of all cases of AMD. Dry AMD results from thinning of the macula or the deposition of yellow pigment known as drusen in the macula. There may be gradual loss of central vision with dry AMD, but it is usually not as severe as wet AMD vision loss. However, dry AMD can slowly progress to late-stage geographic atrophy, which can cause severe vision loss.
Wet (exudative) macular degeneration makes up the remaining 10-15% of cases. Exudative or neovascular refers […]