(A), (B), and (C) display temporal, posterior, and nasal images from an infant diagnosed as mild ROP by reference standard exam diagnosis and was diagnosed as type-2 ROP by 5/7 (71%) fellows, and as treatment-requiring ROP by 2/7 (29%) fellows. (D), (E), and (F) display temporal, posterior, and nasal images from an infant diagnosed as type-2 ROP by reference standard exam diagnosis and was diagnosed as no ROP by 2/7 (29%) fellows, as type-2 ROP by 1/7 (14%) fellows, and as treatment-requiring ROP by 4/7 (57%) fellows.