Dr. Fredrick A. Isaacs

David L. Guyton, M.D., is the Zanvyl Krieger Professor of Ophthalmology. He is internationally known for his contributions, inventions, and teaching in the fields of ophthalmic optics, clinical refraction, potential acuity testing, and ocular motility. His clinical practice in strabismus is heavily surgical, both pediatric and adult, with emphasis on re-operations and cyclovertical surgery, using adjustable sutures. With adults comprising more than 80 percent of his strabismus surgical cases, Dr. Guyton has contributed significantly to our knowledge of strabismus complications from local anesthetics, the “inverted Brown pattern,” the “dragged-fovea diplopia syndrome,” theories of how and why strabismus develops in the first place, and how and why it can change over time. Dr. Guyton is currently developing automated instruments for the vision screening of infants and children. Dr. Guyton is rated as a Distinguished provider by MediFind in the treatment of Oculomotor Apraxia Cogan Type. His top areas of expertise are Strabismus, Brown Syndrome, Amblyopia, and Esotropia.

Cindy X. Cai, M.D., is the Jonathan and Marcia Javitt Rising Professor of Ophthalmology and a retina specialist seeing patients at the Wilmer Eye Institute’s locations in the Baltimore, Maryland area. Her primary focuses are in medical and surgical retina treatments, including: diabetic retinopathy, diabetic macular edema, age-related macular degeneration, retinal vascular occlusion, retinal detachment, vitreous hemorrhage, epiretinal membrane, and macular hole, among others. Dr. Cai graduated summa cum laude with a major in biology at Columbia University and received her M.D. from the Columbia University College of Physicians and Surgeons in New York. She completed her medical internship at Mercy Medical Center in Baltimore and her ophthalmology residency training at the Wilmer Eye Institute. She received her vitreoretinal surgery fellowship training at Duke Eye Center. Videos Dr. Cindy X. CaiOphthalmologist and Retina Specialist Recent News Articles and Media Coverage Continuing the Mission, Johns Hopkins Medicine (Dec. 2021) Get to Know Cindy Cai, Wilmer Insider (Apr. 2021). Dr. Cai is rated as an Advanced provider by MediFind in the treatment of Oculomotor Apraxia Cogan Type. Her top areas of expertise are Diabetic Retinopathy, Diabetic Macular Edema (DME), Gyrate Atrophy of the Choroid and Retina, Vitrectomy, and Cataract Removal.

Mary Collins is an Ophthalmologist in Baltimore, Maryland. Dr. Collins is rated as an Advanced provider by MediFind in the treatment of Oculomotor Apraxia Cogan Type. Her top areas of expertise are Strabismus, Esotropia, Amblyopia, and Oculomotor Apraxia Cogan Type. Dr. Collins is currently accepting new patients.