<p style='text-align: justify;'>Medical booklet dealing with eye problems, which are cured through the use of mineral substances combined with vegetable ingredients. The material is derived from ʿAlī ibn ʿĪsā, Taḏkirat al-kaḥḥālīn (‘Memorandum for opticians’; ed. Hyderabad 1964, pp. 317, 323).</p>