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Doctors & Staff

Meet the experienced and friendly doctors and staff who make Underwood Optical the leading provider of vision care products and services in Cortez.


 R. Duke Underwood, O.D., ABO

Dr. Underwood attended undergraduate studies at Union College in Lincoln, Nebraska. He attended post-graduate studies at the University of Nebraska. He attended Southern College of Optometry and graduated May 1984 Culaude. He received awards Beta Sima Capa, Optometric Honor Fraternity, Gold Key International, Optometric Honor Society, Who’s Who in American Colleges and Universities, and Contact Lens Society. He received Advanced Ocular Treatment in 1994 and Advanced Ocular Therapy in 1997 from Pacific College of Optometry. Dr. Underwood is board certified Expanded Scope of Practice since 1998. In June of 1984 Dr. Underwood joined his father in practice and has owned the practice since 1994.


Ha Thi Huynh O.D., F.A.A.O., NBEO-BC, CCI

Ha Thi Huynh, O.D.

Dr. Huynh earned her undergraduate degree in 2000 from the University of North Carolina at Chapel Hill. She completed her optometric training at Nova Southeastern University College of Optometry in 2006. Following graduation, she completed a one-year residency program at Northern Navajo Medical Center in New Mexico in primary care with emphasis in ocular disease. During her seven years with the Indian Health Service, she served as an Adjunct Professor for the Southern California College of Optometry’s Outreach Clinical Program.  Dr. Huynh is a fellow of the American Academy of Optometry and is board certified with the National Board of Examiners of Optometry. She is also a certified Iridologist through the American College of Healthcare Sciences and is a certified member of the International Iridology Practitioners Association.

Click here to visit Dr. Huynh’s website


Kirk Underwood, Optician, ABO, NCLE


Sharon Underwood, Practice Manager


Lisa Clark Optometric Tech, Frame Stylist


Amanda Hunt, Optometric Tech, Frame Stylist


Jessica Sanders, Contact Lens Tech


Holly Siote, Pre Test Tech, Receptionist


 Janae Pearce, Optometric Tech, Recepitionist