Works Cited:
Cassel, Gary, et al. The Eye Book: A Complete Guide to Eye Disorders and Health. The John Hopkins University Press: Baltimore & London. 1998. (pp. 3-15)
D'Alonzo, Dr. T.L. Your Eyes! Avanti Publishing: Pennsylvania. 1991. (pp. 15-54)
http://www.driesen.com/human_eye.htm
http://www.dur.ac.ua/r.g.bower/OpticsI/optlec/node34.html
http://www.pasadenaeye.com/faq/faq15/faq15_text.html
http://www.stlukeseye.com/Anatomy.asp
http://www.tedmontgomery.com/the_eye/
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/V/Vision.html