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We are so happy to have found Boas Vision Associates in Exton, PA.


I would recommend them to everyone without hesitation. Professional, excellent, caring staff. The women at the front desk, the doctors and opticians are exceptional. Louise and Barry Pattersom

- Barry P. - Google Review

Dr. Mark is a true professional.


I came to him with a deteriorating visual condition that had plagued me for most of my life. He diagnosed me and presented me with a therapy program to help improve the quality of my sight. While continuing to use the sight drills that I've learned in therapy, with hard work, I've been able to start reading again. Many "Thanks" to Dr. Mark and his entire staff for their help and continued support....

- Ronald P. - Google Review

Thank you all!


I cannot recommend the team at Boas Vision enough for concussion therapy patients. The doctors have years of experience with vision therapy, and the entire office team is very friendly, patient, and dedicated.

I completed almost two years of outpatient vision rehabilitation before coming to this office. I was going to sessions multiple days a week for multiple hours. While the exercises I completed previously helped me to graduate from college, I still struggled regularly with fatigue, a head tilt, and reading difficulties.

My initial consult with Boas Vision Associates was incredibly thorough and discovered multiple deficiencies my other rehabilitation center considered to be resolved. It finally felt like someone saw the struggles I had failed to properly describe for many years, including my incredibly deficient reading level.

Vision Therapy here with Chrissy has helped me to finally retrain my brain to overcome my lingering issues. I have not "graduated" yet, but my head tilt has improved some, many of my vision struggles have improved, and I'm almost completely back to an age-appropriate reading level.

From BPI lenses to new therapy tools developed by Dr. Mark and the rest of the Boas docs, Boas Vision is dedicated to helping its vision therapy patients achieve long-lasting results. Thank you all!

- Ellen S. - Facebook Review

Highly recommend!!!


While cleaning out my garage I decided to clean out my fire barrel and replacing the furnace pipes as well and upon doing so I got some soot or debris from the old pipes in my eye. It immediately started to burn and scratch my eye... I continued on thinking it was just something small and over night it got so much worse. Every movement of my eye it would scratch and burn. I found myself constantly rubbing my eye (at a time where you shouldn’t be touching your face) and holding a warm cloth. I tried flushing it under the sink, dunking my head in a bucket of water and blinking and finally showering and letting the water run down my face... nothing worked. In fact it felt worse.

It was then my brilliant wife told me to contact my good friends over at Boas Vision Associates. I was a bit worried because I knew it would be a while before someone could maybe see me with this pandemic happening. After minutes of walkthroughs on the phone and a brief tutorial I found instant relief. They walked me through a flushing technique I’ve never done before and I’ll never forget. The next morning my eye was nearly 100% and I couldn’t have been more relieved and grateful. They were so kind and patient with my lack of eye experience and the guided me to safely remove what ever it was that was causing me so much pain. Thank you Boas Vision Associates! You are the best. Anyone who needs eye care or is looking for a new provider, I Highly recommend giving them a call.

Thank you again!

Highly recommend!!!

- Marc S. - Facebook Review

I am so grateful for Boas Vision’s Eye Therapy program.


I was in a car accident and suffering from headaches and vision problems. It took me a long time searching for a vision doctor that could help with these issues. I saw two other vision doctors previous before Dr. Boas and they couldn’t help me. I was referred to Doctor Boas. Dr. Boas was very knowledgeable with concussions and is heavily involved in research with concussions. He performed many vision test which the other vision doctors did not perform. He was also compassionate to his patients and he genuinely wanted to help. He not only diagnose my issues he also is helping me to fix the problems with VISION THERAPY. So far, his vision therapy has helped me a lot and they are continuing to help me.

If you sustain a head trauma and are having headaches and visions problems THIS IS THE PLACE YOU WANT TO GO.

From the bottom of my heart I Am so Thankful to Dr. Mark Boas and Chrissy for helping me.❤️❤️❤️❤️?Thank you both.

- Helga V. - Facebook Review

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