Sistine chappel is a beautiful place, I did not know that. Many things have been wrongly attributed to as being discovered in the renaissance era, were actually things that had been preserved through the dark ages and resurfaced at that time. Architecture itself is a lasting example of this. Always mimicking nature, from the temples built in the sides the mountains themselves, to the corinthian capital.
The man that first correctly described the anatomy of the eyeball, and made the first sketches of the camera, was not kepler but Ibn Al-haytham, while on house arrest in cairo egypt, in the yr. 1012(?).