Determining Whether Intra-Arterial Carboplatin Causes Hearing Loss in Children

Inclusion Criteria: * Signed informed consent indicating awareness of the investigational nature of the protocol. * Children with RB aged 3 months and older who are scheduled to receive their first dose of IA carboplatin chemotherapy. * Retinoblastoma is rarely seen in children over 8 years old, however we will not include an upper age range so as not to exclude any possible participants Exclusion Criteria: * Children with known and documented preexisting hearing loss.