Dr. Mahmood Khan

Ophthalmology – Retina Specialist

New York, NY

Mahmood Khan, MD, is a vitreoretinal surgeon at Weill Cornell Medicine. He cares for people with age-related macular degeneration, diabetic retinopathy, retinal detachment, uveitis, and other disorders of the retina and vitreous. His personal statement underscores a supportive, compassionate approach that pairs state-of-the-art diagnostics and treatment with individualized plans rooted in scientific evidence. Dr. Khan completed undergraduate studies at Baylor University and earned his medical degree from Baylor College of Medicine. He went on to an internship in general surgery, followed by ophthalmology residency and a fellowship in vitreoretinal surgery at Weill Cornell, where he later joined the faculty. His academic interests include retinal imaging, bioinformatics, and participation in clinical trials. He is committed to education and to advancing retinal care through research and surgical excellence.

Dr. Matthew Karl

Ophthalmology – Retina Specialist

East Setauket, NY

Matthew Karl, MD, is a board-certified ophthalmologist and fellowship-trained vitreoretinal surgeon with SightMD. He cares for patients with retinal conditions such as diabetic retinopathy, macular degeneration, retinal detachment, macular holes, and epiretinal membranes, and also performs cataract surgery when appropriate. He aims to explain findings in plain language, set expectations clearly, and recommend the least invasive option that can reliably restore or protect vision. Dr. Karl graduated from Georgetown University, completed medical school and ophthalmology residency at SUNY Downstate in Brooklyn, and pursued a two-year vitreoretinal surgery fellowship at The Ohio State University. He has been recognized with honors including election to Alpha Omega Alpha, a fellowship teaching award, and a departmental award for excellence in ophthalmology. Above all, he strives to deliver the same careful, state-of-the-art care he would want for his own family.

Dr. Eileen Chang

Ophthalmology – Glaucoma Specialist

New York, NY

Dr. Eileen Chang is an ophthalmologist with dual interests in uveitis and glaucoma, as well as comprehensive eye care. She provides careful evaluation of ocular inflammation and related conditions, and offers cataract surgery when needed to restore clarity and comfort. Patients value her balanced approach—pairing medical expertise with clear guidance on medications, monitoring, and when to involve other specialists. As an assistant professor of ophthalmology at Weill Cornell Medicine and an attending at NewYork-Presbyterian, Dr. Chang welcomes both new and complex cases. Her clinical expertise spans the spectrum of uveitis, from anterior to posterior and intermediate forms, along with associated disorders such as scleritis and episcleritis. She also performs cataract surgery, including implant-based procedures, and provides comprehensive exams and Plaquenil screening to help protect long-term vision.