Dr. Lewis is an Adjunct Professor of Physiological Optics who served as president of NECO from 1999 through 2006 before retiring. He taught at the SUNY College of Optometry for 20 years where he was Director of Graduate Studies and then served for 8 years as Dean of the Michigan College of Optometry. He is a former president of the Association of Schools & Colleges of Optometry, the Illuminating Engineering Society of North America, and the United States National Committee of the International Commission on Illumination (CIE).
His research has been primarily focused on the role of environmental factors on visual performance with an emphasis on glare; he has also studied the physiological basis of color vision and receptor interactions. His most recent work has been on the spectral effects of roadway lighting and stereoscopic issues in robotic surgery.
He earned his Doctor of Optometry degree from the Massachusetts College of Optometry and, after service in U.S.Navy, received his Masters and Ph.D. degrees in physiological optics from The Ohio State University.