Narrator:Sa‘īd ibn Zayd
وَعَن سعيد بنِ زيدٍ قَالَ: قَالَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «الْكَمْأَةُ مِنَ الْمَنِّ وَمَاؤُهَا شِفَاءٌ لِلْعَيْنِ» . مُتَّفَقٌ عَلَيْهِ. وَفِي رِوَايَةٍ لِمُسْلِمٍ: «مِنَ الْمَنِّ الَّذِي أنزلَ اللَّهُ تَعَالَى على مُوسَى عَلَيْهِ السَّلَام»
Sa'id b. Zaid reported the Prophet as saying, “Truffles are a kind of manna, and their juice is a medicine for the eye.” (Bukhari and Muslim.) A version by Muslim has, “a kind of the manna which God most high sent down to Moses.”
Reported by Al-Bukhari (No. 4478, 4639, 5708), Muslim (No. 2049a, 2049b, 2049c, 2049g), At-Tirmidhi (No. 2067) and Ahmad (No. 1539, 1540, 1546, 1548, 1549). Cited in Mishkat al-Masabih (No. 4184).