Steven I. Leff, MD. Retina Specialist. 1-866-LASER22. Locations Atlanta, GA Airport Location Cumming, GA Lawrenceville, GA. Services Retina. Dr. Leff is a board-certified ophthalmologist specializing in the medical and surgical treatment of vireo- retinal and macular diseases. He has been treating patients for 30 years and joined Woolfson Eye ....