Dr. Gellis specializes in primary care optometry, contact lenses, and refractive surgery consultations with Laser Eye Surgery of Erie. He has been practicing in Erie for over 25 years. Dr. Gellis is also in charge of fitting specialty contact lenses for keratoconus and other related corneal diseases. He assists in evaluating candidates for refractive surgery.

Dr. Gellis received his Bachelor of Science and Doctor of Optometry degrees from the Pennsylvania College of Optometry. After graduating, he served in the U.S. Army Medical Service Corp practicing Optometry. After his tour of duty in the army, Dr. Gellis moved to Erie to start his practice in the Millcreek Mall. He owned the Pearle Vision Center for many years. He has been practicing with Drs. Manasse and Haverly since 1996.