Henry Feng, MD Henry Feng, MD specializes in the medical and surgical treatment of conditions involving the retina, vitreous, and macula. He is an expert in managing the full spectrum of vitreoretinal diseases, including retinal detachment, retinal holes/tears, macular degeneration, diabetic retinopathy, retinal vascular occlusion, epiretinal membrane, vitreomacular traction syndrome, macular hole, dislocated intraocular lens, as well as other rare and complex retinal conditions. He joined Illinois Retina Associates in August, 2022 and is an Assistant Professor of Ophthalmology at Rush University Medical Center.