Dr. Quinn's interest areas are retinopathy of prematurity (ROP) and visual and ocular development in children. He was a principal investigator and member of the executive and editorial committees of the landmark CRYO-ROP study and PI of the Philadelphia center and worked with Velma Dobson, PhD in the Vision Testing center for ETROP. He served as a member of the original group that developed the International Classification of ROP and recently chaired a “revisiting” of the classification. He has participated in a large number of international conferences and workshops on ROP prevention and treatment in countries with rapidly developing neonatal care systems. Recent work has concentrated on early markers identifying at risk babies and also telemedicine in ROP.