Here's another site for examples of quality contact lenses you can wear this halloween:

http://www.fxeyes.com/custom_lenses.html

they have several "sclera" lenses, which cover the entire visible portion of the eye. This version comes in black, bloodshot, red, and blue.

Animal and monster versions include crow, goblin, green dragon, red dragon, vampire, vampiress, wolf, and zombie.

Special effects include chinese spinner, dead eye, fantasia, flames, forever night, gambyte, lost boyz, manson, maven, neon void, reaper, and white out.

Prices range from $100 t0 $259 per pair.

for a few dollars more, you can get prescription lenses too.

The Owner of FXeyes, Jack Carter, designed lenses for "Dawn of the Dead", "Surface", "The Fog", "Blair Witch Project 2" and films.