title: Severe visual impairment in Swedish children.
mesh_terms: D002386:Cataract / Q000209:etiology; D002648:Child; D004314:Down Syndrome / Q000150:complications; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D008297:Male; D010102:Oxygen Inhalation Therapy / Q000009:adverse effects; D011247:Pregnancy; D011248:Pregnancy Complications; D012162:Retinal Degeneration / Q000209:etiology; D012178:Retinopathy of Prematurity / Q000209:etiology; D013548:Sweden; D014786:Vision Disorders / Q000209:etiology*