text: Rolling through rural China, train of doctors restores sight KASHGAR, China -- Impatiently, Gopur Samat stood at the ready as a nurse stripped the bandage from his right eye and steered his attention toward a chart 20 feet away. Smiling, Gopur pointed up. Still smiling as the nurse gestured toward another symbol, he pointed down. Then left, then right. Gopur, 68, suddenly could see clearly again.