: In response to brother Tenacious's post re: the alleged design insufficiencies of the human eye, I encountered a study that indicates that if the photo-receptors in the eye were not inverted, they would be suceptable to thermal damge from UV radiation.

***Not only that, but it seems to have something to do with bipedalism and our superior brain. Full sterioscopic, long range, color vision. The combination of these with the ability to move the eyes without having to move the head seems to allow a greater judgement of distance, depth, and the tracking of not only movement but the singling out of stationary objects which are important to us. Thus we have a most effective means of hunting gathering, and manipulating our environment, along with all our other specialized equipment such as our brain(intelligence), hands(manipulation), speech(communication). Of course I am not am expert, but like to get involved, and learn more through posting/reading.

We can distinguish by hue, form, relationship, and brightness. In general, they are unsurpassed by any other eyes in the world. (Humankind Emerging, Campbell/Loy. Pg.113-115)

• Campbell! Hey, I used that textbook. It's pretty good. - tenacious - December 14, 1999 - 00:30 UTC