<p style='text-align: justify;'>Leaves from from ʿAlī ibn ʿĪsā, Taḏkirat al-kaḥḥālīn (‘Memorandum for opticians’), second discourse, chapters 12-14: sharpening eyesight, ointments for diseases of the eyelashes, lice, and inflammatory conditions of the eye (ed. Hyderabad 1964, pp.111-116).</p>