Crown Vision Center - Mackenzie

Dr. John Galanis, MD, FACS, is a board-certified ophthalmologist specializing in cataract surgery, glaucoma, and LASIK eye surgery in St. Louis, MO. Dr. Galanis received his Bachelor of Science degree in Electrical Engineering from Washington University in 1980. During that time, he was elected to the Tau Beta Phi Engineering Honorary Society and the Eta Kappa Nu Electrical Engineering Honorary Society. His doctorate degree was completed at the St. Louis University (SLU) School of Medicine.

Dr. Mark Barlow, O.D. is an optometrist at Galanis Cataract & Laser Eye Center in St. Louis, specializing in diabetic eye care, glaucoma, and various eye conditions. He also provides routine eye exams, glasses, and contact lenses. Dr. Barlow earned his degree from the University of Missouri St. Louis School of Optometry and holds a BA in Biology from Southern Illinois University. Before joining Galanis in 2023, he practiced at Washington University School of Medicine. He is a member of the American Optometric Association and has volunteered with VOSH in South America. In his free time, he enjoys family, cooking, and caring for his dogs.