Hadith 2377
Narrated Mabad bin Hudhah: The Prophet ﷺ commanded to apply collyrium mixed with musk at the time of sleep. He said: A man who is fasting should abstain from it. Abu Dawud said: Yahya bin Main said to me: This tradition about the use of collyrium is munkar (i. e. contradicts the sound traditions on the subject).
Hadith 2378
Ubaid Allah bin Abu Bakr bin Anas reported on the authority of Anas bin Malik that he used to apply collyrium when he was fasting.
Hadith 2379
Al-Amash 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.