(28) Chapters on Medicine
كتاب الطب عن رسول اللَّهِ صلى الله عليه وسلم
(22) Chapter: What Has Been Related About Truffles And Al-'Ajwah
(22) باب مَا جَاءَ فِي الْكَمْأَةِ وَالْعَجْوَةِ
Jami` at-Tirmidhi 2069 
"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 used it on the eyes of a slave girl of mine so she was cured.'"
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قال حَدَّثَنَا مُعَاذٌ، قال حَدَّثَنَا أَبِي، عَنْ قَتَادَةَ، قَالَ حُدِّثْتُ أَنَّ أَبَا هُرَيْرَةَ قَالَ أَخَذْتُ ثَلاَثَةَ أَكْمُئٍ أَوْ خَمْسًا أَوْ سَبْعًا فَعَصَرْتُهُنَّ فَجَعَلْتُ مَاءَهُنَّ فِي قَارُورَةٍ فَكَحَلْتُ بِهِ جَارِيَةً لِي فَبَرَأَتْ ‏.‏
Grade :  Da'if (Darussalam)
Reference : Jami` at-Tirmidhi 2069
In-book reference : Book 28, Hadith 34
English translation : Vol. 4, Book 2, Hadith 2069