Determining Whether Multiple Anesthesia Exposures Affect Cognitive Function for Retinoblastoma Patients

Inclusion Criteria: * Age ≥ 6 and \< 17 years old Exclusion Criteria: * Diagnosis of any secondary disease associated with developmental delay * History of second cancer diagnosis * Legal Blindness * Past surgery of any type, with the exception of enucleation for retinoblastoma * Past exposure to anesthesia for surgical intervention * More than one anesthesia encounter for surgical intervention before diagnosis at MSK * Past External Beam Radiation for treatment of retinoblastoma * Past systemic chemotherapy * Non-native speaker of English; however, children whose parents speak only Spanish will be included, because the tests for parents are available in Spanish