Table 1.

Diagnostic criteria for Waardenburg syndrome.

Major criteria	Minor criteria
Congenital sensorineural hearing loss	Congenital leucoderma
Pigmentary disturbances of iris	Synophrys or medial eyebrow flare
Hair hypopigmentation	Broad and high nasal root
Dystopia canthorum	Hypoplasia of alae nasi
Affected first degree relative	Premature graying of hair (before age 30)