<p style='text-align: justify;'>Leaf from an ophthalmological work, presented in the form of questions and answers, and here focussing on illnesses that may affect the eyelids: abscesses, hardening and thickening of the eyelids. The material is taken from ʿAlī ibn ʿĪsā, Taḏkirat al-kaḥḥālīn (‘Memorandum for opticians’; ed. Hyderabad 1964, pp. 124-126).</p>