Table 5

Aetiological categories of visual loss in children less than 16 years of age with severe visual impairment and blindness in schools for the blind in Ethiopia

AetiologyFrequencyPercentage
Hereditary103.4
    Autosomal dominant5
    Autosomal recessive2
    Unspecified3
Intrauterine 2 0.7
    Rubella2
Perinatal 3 1.0
    ONN3
Childhood147 49.8
    VAD91
    Measles39
    Trauma6
    HTEM3
    Others8
Unknown133 45.1
    Cataract20
    Buphthalmos5
    Abnormality since birth12
    Others96
Total295100.0