<p style='text-align: justify;'>Leaf from ʿAlī ibn ʿĪsā, Taḏkirat al-Kaḥḥālīn (‘Memorandum for opticians’), including parts of chapters 5 and 6 of the second discourse, dealing with surgical treatments of diseased eyelids and describing the operation of cutting a swelling with a lancet and a spoon before sewing the wound with thread; hardening of the eyelids and its treatment (ed. Hyderabad 1964, pp. 86-89).</p>