Boyer Boyer DS DS Hopkins Hopkins JJ JJ Sorof Sorof J J Ehrlich Ehrlich JS JS Anti-vascular endothelial growth factor therapy for diabetic retinopathy: consequences of inadvertent treatment interruptions Anti-vascular endothelial growth factor therapy for diabetic retinopathy: consequences of inadvertent treatment interruptions . The gene discussed is VEGFA; the disease is diabetic retinopathy.