Harold Clif Gregory was born, raised, and educated in Southeastern Kentucky. He graduated with honors from Union College in Barbourville, KY with a Bachelor of Science in Biology and Chemistry in 1985. Dr. Gregory attended graduate school at the University of Louisville College of Medicine. While there he was involved in research in cardiology and genetics. He worked in the polymer chemistry industry as a researcher and also did product development in that field.
Dr. Gregory received his doctorate in Optometry from the University of Houston in Texas in 1993. While at the University of Houston, he was involved in several research projects and was published three times, once in the United States in Contact Lens Spectrum and twice in the Netherlands. Dr. Gregory was nominated for several letters of clinical excellence while training at the University of Houston and also instructed continuing education laboratories and was the first third year student to ever present research at the Cornea and Contact Lens Symposium.
Upon graduation, Dr. Gregory worked as an associate at Kentucky Vision Center in Hazard, Kentucky from 1993 to 1994, when he started his own practice, Mountain Eye Care Center in Barbourville, Kentucky. Dr. Gregory worked part-time from 1995 to 1997 at Commonwealth Eye Surgery in Lexington, KY during retinal clinics. Dr. Gregory has worked full time in his own clinic from 1994 to 2011. The last two years he has practiced as part of a multispecialty clinic with an outpatient surgery center. Recently, Dr. Gregory has joined EyeMax in Lexington, KY. Dr. Gregory has lectured for Diabetic and Multiple Sclerosis support groups, Continuing Education for Nurses and the KOA CPO Review. Dr. Gregory is a member of the Kentucky Optometric Association, the Bluegrass Kentucky Optometric Society, and the American Optometric Association. He is also a member of Rotary International and a Boy Scout Assistant Troop Master. He has four children; Madalyn 26, Jonathan 18, Ethan 16, and Duncan 14.