Abu al-Ahwus, Salam bin Sulaym al-Hanafi أبو الأحوص سلام بن سليم الحنفي · Chapters on Medicine

"It was narrated to me that Abu Hurairah said: 'I took three truffles, or five, or seven, and pressed them. Then I put their liquid in a bottle, and I used it on the eyes of a slave girl of mine so she was cured.'"