Inclining his head in a brief nod, Tony reaches up and pulls the glasses from his nose. As far as he can tell, there's been no damage to his eyes, but he still can't see a damn thing.

"I have, but he doesn't know what caused it either." Without a cause, there's no hope for a cure. He takes a deep breath and lets it out with a sigh. "It's just this. No pain. No discomfort. Nothing."