
Your Exton Optometrist
577 W. Uwchlan Ave., Exton, PA
- Onsite Parking
- Free Parking
- Wheelchair Accessible
Business Hours
- Monday 9:00 am - 5:00 pm
- Tuesday 9:00 am - 5:00 pm
- Wednesday 9:00 am - 5:00 pm
- Thursday 9:00 am - 5:00 pm
- Friday 9:30 am - 3:00 pm
- Saturday Closed
- Sunday Closed
Book an Eye Exam Today
Medical and Vision Insurance plans
Have another plan?
Benefit questions?
Paying out of pocket?
Call us at 610-363-2303,
We are happy to help.



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... Show More
- Family Friendly
- Professional Certification

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... Show More
- Family Friendly
- Professional Certification

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... Show More
- Family Friendly
- Professional Certification

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... Show More
- Family Friendly
- Professional Certification
About Us
We offer a full range of eye health services to patients of all ages – all with personalized attention and a smile. In our eye care office, every patient is treated warmly.
Individualized attention is the foundation of our care, to... Show More
- Pediatric Eye Care
- Myopia Management
- Cataract Surgery Co-Management
- Macular Degeneration
- Glaucoma Treatment
- Vision Therapy
- Computer Vision Syndrome
- Diabetic Eye Care
- Eye emergencies