[header] How to diagnose vitiligo [title] Watch for a loss of pigmentation in your eyes or hair. [step] Vitiligo typically affects your skin, but it can also drain the pigment away from other parts of your body, especially your hair or eyes. If your hair starts to go grey prematurely or turns grey within months, then make an appointment with your doctor. 
[substeps] Generally, doctors say that hair going grey prior to the age of 35 qualifies as " premature. " it's even more uncommon for your eyes to change color past maturity.