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OUR Exton OPTOMETRIC TEAM


The eye doctors and staff at Boas Vision Associates have been providing Exton with quality eye care for many years. Our friendly staff is dedicated to providing this care in an atmosphere of compassion and respect. Our goal is to remain at the forefront of eye care through continuing education utilizing the latest state-of-the-art equipment, technology, contact lens, and eyewear products.

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Meet The Eye Doctors At Boas Vision Associates

Our eye doctors 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.

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Mark B. Boas, OD, MS

Mark B. Boas, OD, MS

Dr. Mark Boas is the co-founder and medical director of Boas Vision Associates, LLC (previously Drs. Mark and Suzanne Boas). Along with his wife, Dr. Suzanne Boas, Dr. Mark has been serving the eye care needs of the Exton/Lionville area residents since 1989. Boas Vision Associates is a full-scope, primary...
Suzanne O. Boas, OD

Suzanne O. Boas, OD

Dr. Suzanne Olmsted Boas is co-founder of Boas Vision Associates. She attended High Point College in North Carolina for her undergraduate studies in Biology, Chemistry, and Psychology. She then attended Pennsylvania College of Optometry in Philadelphia, where she received her Doctorate of Optometry degree in 1986. She completed externships at...
Marie K. Gwinn, OD

Marie K. Gwinn, OD

Dr. Marie Gwinn (formerly Boas) joined the practice in mid-2017. Dr. Marie grew up in the Exton/Elverson area and attended Owen J. Roberts High School, followed by West Chester University for her undergraduate studies. Dr. Marie went on to attend The Pennsylvania College of Optometry where she received several honors....
Katherine R. Boas, OD

Katherine R. Boas, OD

Dr. Katherine R. Boas graduated magna cum laude from Franklin and Marshall College with a Bachelor of Arts in Biology. She received many awards and honors within her major, one of which gave her the opportunity to develop a pilot public health project with The Brien Holden Vision Institute while...
Tyler J. Alansky, OD

Tyler J. Alansky, OD

Dr. Tyler J. Alansky joined the practice in mid-2023. He grew up in Downingtown PA and is a graduate of Downingtown West High School. He developed an early interest in eye care in high school after shadowing one of the practices’ founders, Dr. Mark Boas. You may also recognize Dr....
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Boas Vision Associates in Exton

Boas Vision Associates provides innovative eye care services to patients from in and around Exton. We offer comprehensive eye health assessments, ocular disease diagnosis and treatment, contact lens evaluation and fitting, and prescriptions.

The team at Boas Vision Associates aims to provide the best possible solution for the patient's eye health and vision needs. By utilizing the latest technologies and evidence-based treatments, we can ensure that each patient maintains optimal eye health.

We welcome new patients and accept most major forms of insurance.