When age-related macular degeneration becomes geographic atrophy
I learn so much from commercials. The other day I watched Henry Winkler talk about GA. He said, “GA is irreversible, it’s important to catch it early.” I wasted no time Googling “GA” to find out what it is. Geographic atrophy, I found out, isn’t when my brain can’t find Bolivia on a map.
Geographic atrophy (GA) is an advanced form of dry age-related macular degeneration (AMD). PreventBlindness.org explains that “AMD is a disease that affects part of the back of the eye called the macula. The macula is the central part of the retina, which is the ‘film’ lining the inside of the eye.”
There are two types of AMD, wet and dry. Dry is the more common. “This is caused by small yellow deposits called drusen, which form under the retina. They can grow in size and stop the flow of nutrients to the retina. This will cause the retinal cells in the macula to die, causing vision to become blurred,” PreventBlindness says.
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