Dr. Jing Sun

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.

Andrew D. Barfell, MD, is a cataract and refractive surgeon at Cincinnati Eye Institute. He offers laser vision correction, EVO ICL, refractive lens exchange, and modern cataract surgery, tailoring lens options to each patient’s goals. During training he performed hundreds of cataract procedures, delivered intravitreal injections for macular degeneration, and used lasers to treat glaucoma and retinal disease. Patients value his clear explanations and practical guidance before and after surgery. Dr. Barfell earned a Bachelor of Science from Cedarville University and his medical degree from the University of Cincinnati College of Medicine. He completed an internship at The Jewish Hospital followed by ophthalmology residency at the University of Cincinnati, where he served as a rotating Chief Resident and received the Alan and Karen Zalta Resident Research Award for work on corneal transplant outcomes.