Just about seven years ago, Chaz Davis was in the position that many people he helps are in today.The former Grafton High standout distance runner had been diagnosed with Leber’s hereditary optical neuropathy, a rare mitochondrial disorder leaving him failing eyesight. His racing career at the University of Hartford seemed at an end, and placing a bright light on impending blindness posed a daunting challenge, even for one who yearned for a positive outlook on […]