<p style='text-align: justify;'>Bifolium from a small manuscript of ʿAlī ibn ʿĪsā, Taḏkirat al-kaḥḥālīn (‘Memorandum for opticians’): third discourse, portions of chapters 26-27: treatment of external factors damaging the eyes and list of useful simples (ed. Hyderabad 1964, pp. 342-344; 350-355).</p>