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Acquired Ocular Visual Impairment in Children, 1960-1989 Am J Dis Child 147:325-328, Robinson,G.C.&Jan,J.E., 1993 See this aricle in Pubmed Article Abstract The incidence of acquired visual impairment has decreased from 0.6 to less that 0.2 per 10000 people aged 19 years or younger during the last 30 years.The most common cause was a genetic cause,followed by tumor,injury, infection and autoimmune disorders.Optic nerve atrophy and retinal disorders together resulted in more than 90%of all ocular lesions.Gender distribution revealed more males than females to be affected.Sixty-six percent of children had enough sight to read.The percentage of affected children with neurologic disabilities has increased overall in the last 30 years because more children with profound brain damage have survived. Acquired ocular visual impairment is rare.The incidence has been reduced by two thirds in the last 30 years.The decline has had little impact however,because most cases of blindness are due to congenital conditions. The number of cases of acquired blindness is only one fourth that of congenital blindness,which has begun to increase again owing to the reemergence of reinopathy of prematurity.

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