Umar bin Ubaidullah bin Ma'mar was complaining about his eyes while he was a Muhrim. He asked Aban bin Uthman about it and he said: "Bandage it with some aloes, for I heard Uthman bin Affan mentioning that the Messenger of Allah said: 'Bandage it with aloes.'"
Jami` at-Tirmidhi Book 9, Hadith 146