In 1990, Gary Williamson was 18, backpacking in Europe, when his vision began to fail. It was the start of a perilous journey In 1990, Gary Williamson was 18, backpacking in Europe, when his vision began to fail. It was the start of a perilous journey T he first sign that something was wrong was the blurred text in the book Gary Williamson was reading. The problem with his vision had come on suddenly – the day before, it had been normal. Williamson thought perhaps he was tired, or run down. He