[Incidence and ophthalmological problems of retinoblastoma students learning in schools].
D001766:Blindness; D002648:Child; D004519:Education, Special; D005134:Eye Neoplasms / Q000150:complications*; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D012175:Retinoblastoma / Q000150:complications*; D011795:Surveys and Questionnaires; D014786:Vision Disorders / Q000453:epidemiology / Q000209:etiology*