Two brothers, Tod and Justin Purvis, who suffer from a degenerative eye disease, and are going blind. Circumnavigate the United States, seeing the great sights that make America beautiful. L... Read allTwo brothers, Tod and Justin Purvis, who suffer from a degenerative eye disease, and are going blind. Circumnavigate the United States, seeing the great sights that make America beautiful. Limited sight, with unlimited Vision.Two brothers, Tod and Justin Purvis, who suffer from a degenerative eye disease, and are going blind. Circumnavigate the United States, seeing the great sights that make America beautiful. Limited sight, with unlimited Vision.