Timoleon

at last, being now advanced in years, he began to lose his sight, and then, after a little, became completely blind. He had done nothing himself to occasion this, nor was he therein the sport and mockery of Fortune, but suffered from some congenital disease, as it would seem, which came upon him with his years;

for it is said that not a few of his kindred lost their sight in a similar way, when it was enfeebled by old age.