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Robert Grosseteste developed a theory of optics based on the works of al-Kindi and Ptolemaeus. Roger Bacon expanded on Grossetestes’s theory and integrated Alhazen’s optics into it. Finally, Kepler was able to use the foregoing findings to develop the modern theory of optics); Surgery(Abulcasis or Abu al-Qasim Khalaf ibn al-Abbas Al-Zahrawi developed procedures and instruments of modern surgery, such as the scalpel, syringe, vaginal speculum, etc.).
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