, abu ’l-ḳāsim ʿammār b. ʿalī , one of the most famous, and certainly the most original of Arab oculists. He lived first in ʿIrāḳ, then in Egypt; he travelled widely, as he himself informs us in his book, and on his travels, which took him to Ḵh̲urāsān in one direction, to Palestine and Egypt in the other, he practised his profession and performed operations. His work on ophthalmology was composed in Egypt, in the reign of al-Ḥākim (996/1020); thus he was a contemporary ¶ of the more famous, but less original, oculist ʿAlī b. ʿĪsā [q.v.]. If ʿAlī’s Tad̲h̲kira became for the Arabs the standard…