Cerebral/central visual impairment (CVI) has a wide range of features owing to central visual pathway disorders. It is currently the most common type of visual impairment in children in developed countries and is increasing in the developing world. The major cause of CVI is hypoxic-ischemic encephalopathy in premature children. CVI occurs from the postgeniculate visual pathway to the occipital lobe and results in severe visual impairment and even blindness... ...

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