1-63 Muhammad ibn al-Hassan ibn Ahmad ibn al-Walid - may God have Mercy upon him - narrated that Muhammad ibn al-Hassan al-Saffar quoted on the authority of Muhammad ibn al-Hussein ibn Abil-Khat’tab, on the authority of Muhammad ibn Sin’an, on the authority of Hammad ibn Uthman that Aba Abdullah as-Sadiq (MGB) said, “
Collyrium helps hair to grow, dry tears, sweeten the saliva, and improve sight.”