CHICAGO — Different imaging modalities are effective for the diagnosis of geographic atrophy, according to a speaker at the American Academy of Ophthalmology meeting.
SriniVas R. Sadda, MD, said over the years, flash color fundus photography has been the gold standard for geographic atrophy (GA) diagnosis. However, newer modalities are becoming more effective.
“We have a definition for atrophy of a sharply demarcated region with depigmentation and increased visibility of choroidal blood vessels,” he said. “That served us very well for a number of different studies. But