Ophthalmological instruments of Al-Halabi fill in a gap in the biomedical engineering history

Figure 19  Optic nerve crossing together with that of the eye and the brain from Al-Halabi’s book, the Istanbul manuscript of the Süleymaniye Kütüphanesi, Yeni Cami 924. Citation: Sezgin F, Neubauer E. Volume IV: Catalogue of the collection of instruments of the institute for the history of Arabic and Islamic sciences. In: Sezgin F. Science and technology in Islam. Frankfurt am Main, Germany: Institute for the History of Arabic-Islamic Science, 2010: 27. Copyright ©The Author(s) 2010. Published by Institute for the History of Arabic-Islamic Science (Institut für Geschichte der Arabisch-Islamischen Wissenschaften). The author has obtained the permission for figure using from the Institute for the History of Arabic-Islamic Science (Institut für Geschichte der Arabisch-Islamischen Wissenschaften) (Supplementary Material).