(31) باب فِي الْكَحْلِ عِنْدَ النَّوْمِ لِلصَّائِمِ
Al-A'mash said:
I did not see any of our companions who abominated the use of collyrium by a man who fasting. Ibrahim would permit the man who was fasting to apply collyrium with aloes.
Reference: Sunan Abi Dawud 2379
In-book reference: Book 14, Hadith 67
English translation: Book 13, Hadith 2373