C508 Blindness.

Holden was blind!

The doctor examined his eyes carefully and frowned. He said to Connie, who was at the side, "When Mr. Henson was sent to the hospital, he was examined and found that his eyes were not injured or hit. So, the blindness should be caused by the blood clots in his brain." The doctor paused for a moment, thought for a moment, and then said, "That is to say