Hadith 14:283
Abu Bakr narrated to us, he said: Abd al-Rahim ibn Sulayman narrated to us, from Umar ibn Husayn, a man from the descendants of Hudhayfah, from Amir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "The truffle is of the manna, and its water is a cure for the eye."
حدثنا أبو بكر قال حدثنا عبد الرحيم بن سليمان عن عمر بن حسين رجل من ولد حذيفة عن عامر قال قال رسول الله صلى الله عليه وسلم الكمأة من المن وماؤها شفاء للعين