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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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Temporarily Closed

As of March 18th, the CDC has recommended that all routine eyecare be deferred until further notice, in order to slow the transmission of COVID-19. Someone from the office will be answering calls and e-mails daily in our Ft. Mitchell Location Monday-Friday 10AM-1PM; and our Dry Ridge office Thursday’s only from 10AM-1PM until we reopen. Please be assured that we are still available to triage all emergent issues, as well as help with routine matters during this challenging time. With Sincerest wishes for your continued good health, we remain at your service.

Your Vision One Team