A simple but comprehensive introductory to colored contacts.

Provides a good high-level, not too technical overview on the science that makes colored contact lenses possible.  It also provides background and the differences between vision correcting color contacts that require a prescription and non-corrective color contacts that you can wear after a fitting. Also discusses the 3 current technologies that make colored contacts a reality... visibility tints, enhancement tints, and opaque color tints.

If you are thinking of buying color contact lenses then visit this site to read the full article for more information on colored contacts.

http://coolcolorcontacts.blogspot.com/