Thanks to Dr. Keith Holland for a great video on TedX
By Dr. Lynn Hellerstein, Colorado Optometrist in Vision Therapy
Founder and co-owner of Hellerstein & Brenner Vision Center, Dr. Lynn Hellerstein is the author of an award-winning book series, SEE IT. SAY IT.DO IT!
Dynamic and engaging, Dr. Hellerstein is a popular speaker nationally and internationally.