Delayed Patchy Choroidal Filling in the Comparison of Age-Related Macular Degeneration Treatments Trials (CATT)

Delayed patchy choroidal filling was uncommon at baseline. Although only a small percentage of eyes demonstrated delayed filling during the first year of anti-vascular endothelial growth factor treatment, these eyes had worse visual acuity and a larger increase in total lesion area of choroidal neovascularization.