title: Fixation of the eye in radiological treatment of retinoblastomas.
mesh_terms: D002648:Child; D003261:Contact Lenses; D005133:Eye Movements; D005134:Eye Neoplasms / Q000532:radiotherapy*; D006801:Humans; D012175:Retinoblastoma / Q000532:radiotherapy*; D013679:Technology, Radiologic / Q000295:instrumentation*