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Discovered light travels in straight lines by Euclid
3000bc. First laws of reflection were found in his work -
People thought that light was made up of white light and black light
13th century -
Bifocals invented
Bifocals. Invented by Benjamin Franklin (1706-1790) -
Eye glasses made for near sighted and far sighted
eye galsses made to cue nearsightedness, and farsightedness. after 13th century, eye glasses were built with either convex or concave lens styles -
Microscope invented
at the end of the 16 century the micro scope was invented in the Netherlands.
