What Has Been Related About Truffles And Al-'Ajwah Jami` at-Tirmidhi 2069

Arabic hadith text
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قال حَدَّثَنَا مُعَاذٌ، قال حَدَّثَنَا أَبِي، عَنْ قَتَادَةَ، قَالَ حُدِّثْتُ أَنَّ أَبَا هُرَيْرَةَ قَالَأَخَذْتُ ثَلاَثَةَ أَكْمُئٍ أَوْ خَمْسًا أَوْ سَبْعًا فَعَصَرْتُهُنَّ فَجَعَلْتُ مَاءَهُنَّ فِي قَارُورَةٍ فَكَحَلْتُ بِهِ جَارِيَةً لِي فَبَرَأَتْ ‏.‏
Translation
"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.'"