CHESTERFIELD, Mo., Oct. 21, 2013 /PRNewswire/ -- The top players need to stay in all-around top shape, and sharp, clear vision can make or break a critical play and career. That's why vizual Edge PRO™ from EyePromise® – a natural supplement proven to improve ocular health and visual performance – is sponsoring the Arizona Fall League. As part of the sponsorship, the company is working with veteran sports dietician, Dave Ellis, to educate players, coaches and trainers about the right nutrition for enhanced visual performance and how supplements containing the optimal combination of nutrients work to improve clarity and contrast.