With over fifteen years of experience, Dr. Mark Eltis has practiced Optometry in New York, California and Toronto. He is a graduate of the University of Waterloo School of Optometry and continues to be a lecturer there. He is also a Fellow of the American Academy of Optometry and a Diplomate of the American Board of Optometry. Dr. Eltis has served as an examiner for national licensing assessment in both Canada and the United States (NBEO, CSAO and CACO). He has presented and published internationally and has been sought as an expert on optometric issues for national television and print. In 2013, Dr. Eltis was honored as a member of the Optometric Glaucoma Society (OGS) having "demonstrated excellence in the care of patients with glaucoma through professional education and scientific investigation." Dr. Eltis is a reviewer for over a dozen publications including Journal of Glaucoma and Canadian Journal of Optometry. In 2017, Dr. Eltis was recognized for his "outstanding contribution in reviewing" by the editors of Journal of Optometry and Elsevier. Dr. Eltis has been a consultant for academic institutions overseas, contact lens/pharmaceutical companies, law firms, and a subject matter expert for competency evaluations. In 2018, Dr. Eltis was appointed as a member of the College of Optometrists of Ontario's Discipline Committee (adjudicating allegations of professional misconduct at formal hearings). He also recently completed the full sequence of courses at University of California at Berkeley to achieve California Glaucoma Certification TLG (the highest level of licensure in the state). Most recently he has been writing a monthly column for Primary Care Optometry News to share his perspective on the latest developments in Glaucoma research.