Optical idea progressed in the mid-17th century with treatises penned by philosopher René Descartes, which described a variety of optical phenomena which include reflection and refraction by assuming that light was emitted by objects which created it.[26] This differed substantively from The traditional Greek emission idea. Within the late 1660s https://lanesjwqn.blogolize.com/a-review-of-prescription-eye-glasses-69201333