مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3297
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that The Prophet (ﷺ) used to apply antimony to his eyes every night before going to sleep, and he used to apply it to each eye three times.
Musnad Ahmad 3320Hasan; this is a da’eef isnad]