Danica Marrelli received her doctor of optometry degree from the University of Houston College of Optometry (UHCO), and completed a residency in hospital-based optometry at the Baltimore VA Medical Center in Baltimore, MD. She is a clinical professor at UHCO, where she serves as Assistant Dean of Clinical Education and Service Director of the Medical Eye Service. In the classroom, Dr. Marrelli teaches in the ocular pharmacology, glaucoma and case-based learning courses. Dr. Marrelli became a diplomate in the ocular disease (glaucoma) section of the American Academy of Optometry in November 2009 and is the vice president of the Optometric Glaucoma Society.