حَدَّثَنَا مُسْلِمٌ، حَدَّثَنَا شُعْبَةُ، عَنْ عَبْدِ الْمَلِكِ، عَنْ عَمْرِو بْنِ حُرَيْثٍ، عَنْ سَعِيدِ بْنِ زَيْدٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ الْكَمْأَةُ مِنَ الْمَنِّ وَمَاؤُهَا شِفَاءُ الْعَيْنِ ‏"‏‏.‏

Narrated Sa`id Ibn Zaid: The Prophet (PBUH) said, "Al-Kam'a is like the Mann (sweet resin or gum) (in that it grows naturally without human care) and its water is a cure for the eye diseases." Translation Not Available

Book Ref: Sahih Bukhari Book 65 Hadith 4639
Web Ref:  Sahih Bukhari Vol 6 Book 60 Hadith 163