Friday, February 8, 2013

Sub-topics on the human eye for an essay?

I have to write an essay on the human eye, I would like a few extra ideas on what to write about, so far I have the following points, parts of the eye, how it works, How our eyes focus and depth deception, how glasses and contact lenses help people to see, our perception and the brain. Does anyone have any other ideas?
>>> Sub-topics on the human eye for an essay?