Overview
This study evaluate the effect of dexmedetomidine on intelligence test in pediatric patients with multiple anesthesia exposure. Children who are diagnosed with retinoblastoma and receive first exam under general anesthesia before age of 2 are included. Intelligence test will performed when patients' age are 4.
Eligibility
Inclusion Criteria:
- Patients who are first diagnosed as retinoblastoma and scheduled for EUA and treatment under general anesthesia before age of 2
Exclusion Criteria:
-