Ocular Oncology Service, HORUS Specialty Eye Care and Prabha Eye Clinic, Bangalore, India; Women's and Children's Hospital, Guangzhou, China. Pediatric Ocular Oncology Service, Jules-Gonin Eye Hospital, Lausanne, Switzerland. Women's and Children's Hospital, Guangzhou, China. Ocular Oncology Service, Center for Sight, Hyderabad, India. Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, PA, USA.