Hadith 14:282
Abu Bakr narrated to us, he said: Yazid ibn Harun narrated to us, from Abbad ibn Mansur, from al-Qasim, from Abu Hurayrah, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "The truffle is of the manna, and it is a cure for the eye."
حدثنا أبو بكر قال حدثنا يزيد بن هارون عن عباد بن منصور عن القاسم عن أبي هريرة قال قال رسول الله صلى الله عليه وسلم الكمأة من المن وهي شفاء للعين