This video shows Diane wearing trial lenses for her new prescription yoked prism glasses. The eye doctor asks her to read and walk with and without her new prescription yoked prism glasses or ambient prism lenses. Diane is an adult who suffered a concussion after being rear ended while driving. After the concussion, Diane was unable to work or drive. She had extreme trouble with balance and walking. She could not really read. Her reading comprehension was very low. BTW: these are funny looking trial lenses. Diane will get different eyeglasses frames! WATCH TO THE END WHEN DIANE REALIZES THAT SHE CAN NOW WALK AND TURN WITHOUT FALLING OVER OR GETTING A HEADACHE W/ PRISM GLASSES! Post-concussion, Diane had many concussive symptoms...visual problems, poor balance, heightened sensitivity to light and noise, cognitive issues, reading difficulties, etc. Diane was referred to Stephanie L Wolman, OD, FCOVD in Harrison, NY. In this video, Diane is trying out her prescription again three days after her first exam with Dr. Wolman. She has not had any vision therapy. She is just putting and taking off the yoked prism glasses. You will hear Diane making comments re: things she can not do during physical therapy or in general in life - before putting on the prescription yoked prism glasses! Dr. Wolman reported that - off-camera- Diane said she hadn't smiled in 8 months until putting on the prism glasses. Diane is a special education teacher and she also told Dr. Wolman that post-concussion and BEFORE she put on the prism prescription glasses, she felt like a special education student!" Yoked prism lenses are also called ambient lenses or rotary prism lenses. They can be described by specialty optometrists who are also called neuro-optometrists, pediatric optometrists, developmental optometrists or behavioral optometrists. Find other optometrists who prescribe yoked prism lenses at www.visiontherapydirectory.com. Find Dr. Wolman in Harrison, NY at www.wolmanvisionandtherapycenter.com.