John Berdahl

John Berdahl, MD

Vance Thompson Vision / Equinox


John Berdahl, MD, practices at Vance Thompson Vision in Sioux Falls, SD as a specialist in advanced Refractive, Cataract, Corneal and Glaucoma Surgery. Berdahl serves on the Vision for Mars program and started a medical device company treating glaucoma and other intraocular pressure-related diseases. His research interests include Cerebrospinal Fluid Pressure in Glaucoma, MIGS, Refractive Laser Assisted Cataract Surgery, Intraocular Lens Design, and drug delivery. Berdahl graduated from Mayo Medical School, interned with the Mayo Clinic-Scottsdale, and completed residency at Duke University before an anterior segment fellowship at Minnesota Eye Consultants. His many awards include the Claes Dohlman Award and the Resident Writers Award. He was awarded South Dakota’s Top Young Physician of 2013, and named one of the “Top 40 under-40” ophthalmologists worldwide.


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