Dr. Andrew Barfell

Dr. Erin Nichols is a board-certified comprehensive ophthalmologist and cataract surgeon at Ophthalmic Physicians Incorporated in Mentor. She provides routine and advanced eye care for adults, including modern cataract surgery and laser vision correction, and helps patients manage chronic conditions such as glaucoma, macular degeneration, and diabetic eye disease. Patients value her clear communication and her steady focus on comfort and safety before, during, and after treatment. Dr. Nichols graduated summa cum laude and Phi Beta Kappa from the University of Pittsburgh, then earned her medical degree at Vanderbilt University School of Medicine. She completed a preliminary medicine internship at Pennsylvania Hospital and an ophthalmology residency at Wills Eye Hospital, where she contributed to research and presented at national meetings. Her honors include the J. Donald M. Gass Award and a Canby Robinson Society full-tuition scholarship. In the clinic and surgery center, Dr. Nichols tailors care to each person’s visual goals, offering thoughtful guidance on lens and laser options so patients can make confident decisions.

Dr. Kevin Keppel is a comprehensive ophthalmologist with focused expertise in medical retina. He cares for adults with diabetic retinopathy, macular degeneration, retinal vascular disease, and other conditions that benefit from advanced imaging, laser, and in-office treatments. He also provides general ophthalmic care and coordinates cataract care when indicated. Patients value his calm explanations, attention to detail, and team-based approach across Cole Eye Institute locations. Dr. Keppel earned his medical degree at the University of Pittsburgh School of Medicine, completed an internship at the University of Pittsburgh Medical Center, and finished ophthalmology residency at Cleveland Clinic’s Cole Eye Institute. His practice emphasizes personalized monitoring and evidence-based therapies—such as anti-VEGF injections and targeted laser—aimed at preserving vision and quality of life.

Dr. Jing Sun is a comprehensive ophthalmologist with Columbus Ophthalmology Associates. She provides full-scope medical and surgical eye care, including evaluation and treatment of cataracts, refractive errors, diabetic retinopathy, macular degeneration, glaucoma, and uveitis. Patients describe her as thoughtful and collaborative, and she strives to ensure that each person feels like an active partner in decision-making about their vision. Dr. Sun completed her undergraduate studies in molecular and cellular biology at Vanderbilt University and earned her medical degree from the University of Cincinnati College of Medicine. She went on to ophthalmology residency at Indiana University School of Medicine, where she was elected chief resident. Her training exposed her to a diverse patient population and a wide range of eye conditions, preparing her to care for individuals from all walks of life. Outside of medicine, she enjoys exploring Columbus with her family and spending time in local art studios.