Dr. Reda Issa

Dr. Natalia Callaway is a vitreoretinal surgeon who provides comprehensive care for diseases of the retina and vitreous in adults and children. She treats retinal detachment, macular holes and epiretinal membranes, diabetic retinopathy, retinal vascular occlusions, and macular degeneration, and offers advanced surgical and injection therapies tailored to each patient’s needs. Her practice emphasizes careful imaging, clear communication, and shared decision-making so patients understand their diagnosis and options. As a Clinical Assistant Professor, Dr. Callaway is active in clinical research and education. Her publications span newborn eye screening, surgical efficiency, and retina outcomes, and she mentors trainees in the clinic and operating room. She trained at leading institutions in ophthalmology and retina, bringing deep experience to complex cases as well as routine care.

Dr. Louis Cai is a board-certified vitreoretinal surgeon who treats medical and surgical diseases of the retina and vitreous. He explains imaging and exam findings in plain language and works with patients to choose a plan that protects central and peripheral vision over the long term. His interests include age-related macular degeneration, diabetic retinopathy, complex retinal detachments, and macular disorders. Dr. Cai completed ophthalmology residency at Wills Eye Hospital in Philadelphia and fellowship training in vitreoretinal surgery at the Bascom Palmer Eye Institute. He earned his MD through the University of Miami Miller School of Medicine’s combined BS/MD program. In addition to patient care, he has coauthored numerous publications and enjoys exploring how new technologies can improve retinal outcomes. Patients can expect evidence-based care, clear communication, and close coordination with their primary eye doctors.

Dr. Esther Lee Kim is a vitreoretinal surgeon at Orange County Retina who provides specialized care for diseases of the macula, retina, and vitreous. Patients see her for conditions such as macular degeneration, diabetic retinopathy, retinal tears and detachments, macular pucker, macular holes, and other retinal problems that can affect vision. She also manages complex cases, including secondary intraocular lens placement following complicated cataract surgery, and she incorporates retinal imaging and clinical trials when appropriate. A Southern California native, Dr. Kim completed her undergraduate studies at Princeton University and earned her medical degree at Yale University School of Medicine. She trained in ophthalmology at the USC Roski Eye Institute/Los Angeles County Medical Center and completed fellowship training in vitreoretinal surgery at Massachusetts Eye and Ear/Harvard Medical School. She contributes to the retina field through publications, presentations, and ongoing work to advance therapies for retinal conditions.