what lighten eye color??

I read that chinese herbs can lighten eye color IF SO WHICH ONES? Ive read that bowel cleansing can lighten eye color. Even Liver Flushes and even lighten eye color. i also read the some type of homepathic treatments (if so , which ones) can lighten the eye color. please help and give tips to those who experience an eye change.
thanks alot

;)