Optometry: Science, Techniques and Clinical Management ROSENFIELD, MARK, MCOPTOM, PHD, FAAO (ASSOCIATE PROFESSOR, SUNY COLLEGE OF OPTOMETRY, NEW YORK, NY, USA),LOGAN, NICOLA, MCOPTOM, PHD (LECTURER IN OPTOMETRY, SCHOOL OF LIFE & HEALTH SCIENCES, ASTON UNIVERSITY, BIRMINGHAM, UK)