Geographic Atrophy (GA) is an advanced form of age-related macular degeneration (AMD), which is a progressive, irreversible condition of the eye that causes severe vision loss.
GA disease starts around the center of the macula (the part of the eye that is responsible for sight in the center of the field of vision).
Early in the disease, your vision may still be good; however, as GA progresses, the photoreceptor cells in the eye (cells that gather light and send images to the brain) slowly die off, causing dark or missing spots to appear in the center of your vision.1
The result is a gradual loss of central vision, which can make performing everyday activities, such as reading, driving, and climbing stairs, difficult.2
Currently, there are no approved treatments or a cure for GA.
GA is a progressive and unpredictable disease.
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1. Lindblad AS, Lloyd PC, Clemons TE, et al., for the Age-Related Eye Diseases Research Group. Change in area of geographic atrophy in the Age-Related Eye Disease Study. AREDS report number 26. Arch Ophthalmol. 2009;127(9):1168-1174.
2. Lindblad AS, Clemons TE, for the Age-Related Eye Disease Study Research Group. Responsiveness of the National Eye Institute Visual Function Questionnaire to progression to advanced age-related macular degeneration, vision loss, and lens opacity. AREDS report number 14. Arch Ophthalmol. 2005;123(9):1207-1214.