Dr. Mark Chavana is a graduate of the University of Houston College of Optometry. He holds an associate of Arts in Biology from Del Mar College, and a Bachelor of Science in Biology from the University of Texas at Austin. He also performed research and received further medical training at the University of Texas Health Science Center at San Antonio. His externship training at Houston Eye Associates provided a primary care education with emphasis on cataract and glaucoma treatments. As a therapeutically licensed optometrist, he is experienced in diagnosing and managing ocular disease. He specializes in difficult to fit contact lenses, dry eyes, glaucoma, LASIK/RK/PRK, and cataracts.