He is a graduate of State University of New York College of Optometry and completed a Residency in Primary Eye Care/Ocular Disease at the Pennsylvania College of Optometry. Dr. Chaglasian is charge of the Glaucoma Service at the Illinois Eye Institute, providing patient care while instructing optometry residents and students. His research interests include normal tension glaucoma, automated perimetry and the clinical use of scanning laser ophthalmoscopes. He is a founding member and current President of the Optometric Glaucoma Society and has a number of published articles and has contributed chapters to several popular textbooks on the topics of glaucoma and visual fields.