Dr. Cassidy attended the University of Notre Dame and Loyola Stritch School of Medicine. He completed his residency in ophthalmology at Loyola Medical Center. He is board-certified in general ophthalmology and specializes in evaluating and treating medical and eye conditions such as diabetes, cataracts, glaucoma and macular degeneration. Dr. Cassidy works extensively with contact lens patients and can fit lenses for general correction, reading and bifocal issues and also for other more specialized conditions such as keratoconus. He looks forward to helping patients at Ticho Eye Associates.