Dr. Mark Kahrhoff joined the A-Team in the Fall of 2017. He immediately conceived of the A.M.P. system and began its development with the vision of providing a robust and fully-featured solution to colleagues at a fair price.

Dr. Kahrhoff is a veteran of the U.S. Air Force and currently practices in St. Louis, MO. His large multidisciplinary practice houses specialists in general optometry, medical optometry, binocular vision, neuro-optometric rehabilitation, and advanced dry eye management. Dr. Kahrhoff’s practice is the only one in Missouri and one of few in the nation offering autologous platelet rich plasma therapy for ocular surface disease.

Dr. Kahrhoff is the founder of Complete Safety, which boasts the nation’s only mobile surfacing laboratory. This first of its kind lab permits same day delivery of single vision and multifocal safety glasses in any prescription.




Almost 40 years ago, Dr. Don Teig pioneered work in Sports Vision and Visual-Motor Performance Training with Major League Baseball. Subsequently, Dr. Teig and his associates would have the opportunity to work with fifteen major league baseball clubs, the men and women’s pro golf and tennis tours, several NBA basketball clubs, many Olympic teams, teams in professional football and hockey, as well as the dancers in the Joffrey Ballet. His patient files are a virtual Who’s Who in the sports, entertainment, business and political arenas earning him the recognition as the pioneer in the field of Visual-Cognitive Training.

He is the Founder and President of Ultimate Events & Entertainment, LLC, a Florida based company where he serves as the Executive Director of “The A Team – High Performance Vision Associates”. A national group of sports trained eye care professionals have joined forces in this group to participate in projects, individual practice growth and research directed to providing High Performance Vision to people who participate in visually demanding sports, hobbies and careers.

He is the past chairman of the Sports Vision Section of the American Optometric Association where he received Sports Vision Specialist of the Year honors.

Dr. Teig is the author of a consumer based book on the subject of vision and sports entitled, “High Performance Vision – An Athlete’s Guide To Keeping Your Eyes On The Ball!” published by Square One Publishers, Garden City, NY.

He is a partner in “The iGym”, a “cutting edge” facility in Sunrise, Florida dedicated to the training of the Visual Cognitive skills of athletes.