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Our Doctors

Eye care professionals specialize in understanding how the human eye really works, as well as diseases and conditions that affect your vision—many of which do not always have obvious symptoms. Eye doctors know how age and risk factors affect vision over time for young and old, and they understand the benefits and features of corrective lenses, both as eyeglass lenses and contact lenses.

Our optometrists take the time to explain the results of your eye exam, describe your options and listen to your eye care needs. Because maintaining good eye health is an ongoing partnership, we encourage you to ask questions and share your health information, which could be vital to monitoring, diagnosing and treating potential vision problems.

Meet our doctors:

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Michael A. Coffman, OD

Doctor Michael Coffman grew up in Eugene, Oregon. He received his Bachelor of Science degree in Biology at Oregon State University in 1991 (Go Beavs!). He graduated with honors from Pacific University College of Optometry in Forest Grove in 1995 to receive his Doctorate of Optometry.

He purchased Express Optical in 1998, and immediately began redesigning it into a state-of-the-art optometric practice, focusing on patient education and personal attention to individual needs.

Doctor Coffman is an avid epee fencer at the High Desert Fencing Club, and he is the proud owner of several ribbons from Oregon fencing tournaments. He has also acted in a multitude of theater and musical productions at the local theaters, including Cascades Theatrical Company and 2nd Street Theater.

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Erin E. Follen, OD

Doctor Erin Follen was born and raised in Portland, Oregon. She graduated magna cum laude from Oregon State University in 2010 with a Bachelor of Science degree in Biology (Go Beavs!). She went on to graduate with honors in 2015 from Pacific University College of Optometry, receiving her Doctorate of Optometry.

Doctor Erin has a passion for treating dry eyes. Especially here in Central Oregon, dry eye is such a prevalent condition which is greatly underdiagnosed. She is up to date with all of the latest treatment options, and she loves exploring which option will work best for you.

When not at work, Doctor Erin loves spending time outdoors. She and her husband enjoy running around Pine Nursery Park, or up Pilot Butte, on sunny evenings after work. She also loves going on hikes on the weekends. If you have any suggestions for a beautiful hike, she would love to hear it!

Dr-Guiley

Ron R. Guiley, OD, MPH, FAAO

Dr. Guiley’s family settled in the Eugene area around 1800. His father was an Air Force pilot and he spent most of his early life on bases throughout the US and other countries. He served as a Combat Engineering Officer in the US Army before returning to civilian life. He obtained his Doctor of Optometry and Master’s Degree in Public Health from the University of California Berkeley, where he is a lecturer for the National Online Glaucoma Certification Course for optometric physicians. He served as Chief of Medical Glaucoma for eight years in a busy eye surgery center, he is a Fellow in the American Academy of Optometry and an Adjunct Clinical Professor of Optometry at Pacific University. He joined Coffman Vision to provide primary care and glaucoma services to our patients. He also has a great website for information on Macular Degeneration www.MacularPatients.com, or on Facebook.