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Our Eye Doctors

Vision One Docs 2015-4229Eye 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 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 including eyeglasses and contacts.

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:


Lynn Shewmaker, O.D.

Dr. Shewmaker, founder of Vision One, received his doctorate of optometry from The Ohio State University and has been practicing in Northern Kentucky since 1981. Dr. Shewmaker strives to provide unparalleled vision care services to his patients through the latest diagnostic technology and establishing personal relationships with each patient. He...
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Jennifer Mercado, O.D.

Dr. Mercado received her doctorate of optometry from Illinois College of Optometry in Chicago in 2005 and has been with Vision One since 2007. Dr. Mercado is experienced in pediatric and adult eye care as well as eye disease management but has a special interest in contact lenses including multifocal...
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Dr. Karen Manko, O.D.

Dr. Manko received her doctorate of optometry from The Ohio State University in 2012 and joined Vision One that same year. Dr. Manko enjoys seeing patients of all ages for well-vision exams, contact lens fittings, and ocular disease treatment and management. She is a member of the Kentucky Optometric Association...
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Dr. Amy Press, O.D.

Dr. Press is the most recent addition to the doctors at Vision One. She received her doctorate of optometry from The Ohio State University and brings over 15 years of experience with her to our office. She is a member of the Kentucky Optometric Association and the American Optometric Association....
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Chad Robeck, O.D.

Dr. Chad Robeck is our newest optometrist at Vision One. He received his doctorate of optometry from the University of Alabama at Birmingham School of Optometry in 2018 and was a recipient of a merit scholarship while attending school, as well as a number of other accolades, including being on...
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