A study presented at Angiogenesis, Exudation, and Degeneration 2024 provided insights on how geographic atrophy precursors present across multiple imaging modalities.
“Based on years of research, we have an understanding of the development of GA particularly from drusen,” Amitha Domalpally, MD, PhD, said, with pigment changes occurring and then geographic atrophy (GA) developing. “We want to understand, where do the current OCT biomarkers — nGA, iRORA and cRORA — fall in the sequence of events?”
The study analyzed the OCT scans, fundus autofluorescence (FAF)