Leber Congenital Amaurosis with Early-Onset Deafness, also known as lcaeod, is related to usher syndrome, type iic and deafness, autosomal recessive 31. An important gene associated with Leber Congenital Amaurosis with Early-Onset Deafness is TUBB4B (Tubulin Beta 4B Class IVb). Related phenotypes are sensorineural hearing impairment and reduced visual acuity