Causes of severe visual impairment and blindness in children in schools for the blind in Ethiopia


Kello, AB; Gilbert, C; (2003) Causes of severe visual impairment and blindness in children in schools for the blind in Ethiopia. The British journal of ophthalmology, 87 (5). pp. 526-30. ISSN 0007-1161 DOI: https://doi.org/10.1136/bjo.87.5.526

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Abstract

AIMS: To determine the causes of severe visual impairment and blindness in children in schools for the blind in Ethiopia, to aid in planning for the prevention and management of avoidable causes. METHODS: Children attending three schools for the blind in Ethiopia were examined during April and May 2001 using the standard WHO/PBL eye examination record for children with blindness and low vision protocol. Data were analysed for those children aged less than 16 years using the EPI-INFO-6 programme. RESULTS: Among 360 pupils examined, 312 (96.7%) were aged <16 years. Of these children, 295 (94.5%) were blind or severely visually impaired. The major anatomical site of visual loss was cornea/phthisis (62.4%), followed by optic nerve lesions (9.8%), cataract/aphakia (9.2%), and lesions of the uvea (8.8%). The major aetiology was childhood factors (49.8%). The aetiology was unknown in 45.1% of cases. 68% of cases were considered to be potentially avoidable. CONCLUSIONS: Vitamin A deficiency and measles were the major causes of severe visual impairment/blindness in children in schools for the blind in Ethiopia. The majority of causes acquired during childhood could be avoided through provision of basic primary healthcare services.

Item Type: Article
Keywords: Adolescent, Adult, Blindness/epidemiology/etiology, Cataract/complications, Child, Child, Preschool, Corneal Diseases/complications, Ethiopia/epidemiology, Female, Human, Male, Measles/complications, Optic Nerve Diseases/complications, Uveitis/complications, Vision Disorders/epidemiology/*etiology/prevention & control, Visual Acuity/physiology, Vitamin A Deficiency/complications, Adolescent, Adult, Blindness, epidemiology, etiology, Cataract, complications, Child, Child, Preschool, Corneal Diseases, complications, Ethiopia, epidemiology, Female, Human, Male, Measles, complications, Optic Nerve Diseases, complications, Uveitis, complications, Vision Disorders, epidemiology, etiology, prevention & control, Visual Acuity, physiology, Vitamin A Deficiency, complications
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Clinical Research
Research Centre: The International Centre for Evidence in Disability
International Centre for Eye Health
Centre for Global Non-Communicable Diseases (NCDs)
PubMed ID: 12714383
Web of Science ID: 182469100003
URI: http://researchonline.lshtm.ac.uk/id/eprint/17616

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