Diagram of the eyes and related nerves, manuscript illustration from Kitab al-Manazir (Book of Optics) by Ibn al-Haytham, featured in Science in Medieval Islam by Howard R. Turner.
Diagram of the eyes and related nerves, manuscript illustration from Kitab al-Manazir (Book of Optics) by Ibn al-Haytham, featured in Science in Medieval Islam by Howard R. Turner.