Waardenburg syndrome

Waardenburg syndrome A genetic syndrome that features varying degrees of hearing loss and pigmentation changes in the skin and hair. A difference of color between the iris of one eye and the other (heterochromia iridis) is often present. Abbreviated WS. Individuals with WS may also have a white forelock, early graying of the scalp hair before age 30, or a wide space between the inner corners of the eyes. There are many genetic forms of WS.