"Qatadah said:
"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 liquid the eyes of a slave girl of mine with it and she was cured.'"
English reference: Vol. 4, Book 2, Hadith 2069
Arabic reference: Book 28, Hadith 2211