Do not be dumb enough to do this. Get colored contacts before you go around risking blindness.

Good Lord, I'm stunned by the fact that anyone would be willing to try such a dangerous thing with such an important body part. Mengule used to try to dye the eyes of the people he tortured to see if he could manfacture Aryans.

Just... gah. Don't risk it. This thread makes my head hurt.