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Unilateral childhood blindness: a hospital-based study in Yaoundé, Cameroon
André Omgbwa Eballe1, Emilienne Epée, Godefroy Koki
1Faculty of Medicine and Pharmaceutical Sciences, University of Douala, Douala, Cameroon. andyeballe@gmail.com
Insights
Unilateral blindness affects 4.7% of school children in Cameroon, with ocular trauma being the primary cause. Prevention through education and early management of other conditions can significantly reduce childhood blindness.
Area of Science:
- Ophthalmology
- Public Health
- Pediatrics
Background:
- A 12-month prospective study was conducted in Yaoundé, Cameroon, to investigate unilateral blindness in school children.
- The study focused on children aged 6 to 15 years.
Purpose of the Study:
- To determine the prevalence of unilateral blindness in school children.
- To identify the main causes of unilateral blindness in this age group.
Main Methods:
- An analytic and prospective study design was employed.
- Data were collected over 12 months (January 2nd to December 31st, 2008).
- 1,266 school children aged 6 to 15 years were recruited.
Main Results:
- A prevalence of 4.7% unilateral blindness was found, affecting 60 children.
- Ocular trauma accounted for 65% of unilateral blindness cases.
- The prevalence was higher in boys (6.96%) than in girls (2.71%).
Conclusions:
- Unilateral blindness in school children presents a significant public health challenge in the studied region.
- Ocular trauma is the leading preventable cause of unilateral blindness.
- Public health strategies focusing on ocular trauma prevention and early management of non-traumatic conditions are crucial to reduce childhood blindness.
Introduction:
We performed an analytic and prospective study over a period of 12 months from January 2nd to December 31st, 2008, at the Gynaeco-Obstetric and Paediatric Hospital of Yaoundé, Cameroon. Our aim was to determine the prevalence and causes of unilateral blindness in school children aged 6 to 15 years.
Results:
Among the 1,266 children aged 6 to 15 years who were recruited, 60 presented with unilateral blindness (4.7%): 42 boys (6.96%) and 18 girls (2.71%). The mean age was 10.15 +/- 3.4 years. In patients with unilateral blindness, 65% was due to ocular trauma.
Discussion:
The hospital-based prevalence of unilateral blindness in children is relatively high and ocular trauma is the leading etiology.
Conclusion:
Unilateral blindness in school children is avoidable and its incidence could be markedly reduced by emphasizing an information strategy and education based on prevention of ocular trauma. Early management of nontraumatic diseases such as infantile glaucoma and some tumors could improve outcome and avoid blindness.
