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You have a good start on this article, lots of good information. Your first paragraph under 6 Books of Optics gives me a solid idea of what you're talking about. From what you've written I begin to understand where d'Aguilon is coming from with his work and what he's trying to do with it.
The structure of your second paragraph is a bit jumbled, but subsections could help to straighten it out. I had a couple questions that might help you expand on what you already have. How does Kepler's publication affect the reception of the 6 Books of Optics? You say "D'Aguilon was given the task of organizing the teaching of geometry and science," but who gave him that task? Also, don't forget to check your grammar.
Also please include reliable sources for all information. The web site you used as a source is of dubious reliability and the whole second paragraph of the new section is currently unsourced. —David Eppstein (talk) 02:22, 4 June 2014 (UTC)