title: The visually impaired child: introduction.
mesh_terms: D001766:Blindness; D002648:Child; D006801:Humans; D013508:Ophthalmologic Surgical Procedures; D012178:Retinopathy of Prematurity; D012409:Rubella / Q000151:congenital; D014786:Vision Disorders / Q000517:prevention & control / Q000601:surgery