Jahanzaib Khan, Mohammad Idris, Nizam M Darwesh, Muhammad Haroon, Aftab U Rehman, Lal Muhammad.
Assessment of the Frequency & Factors Leading to Amblyopia in School Children aging 5 to 15 years.
Ophthalmol Update Jan ;16(4):935-8.

Objective: To determine the frequency of amblyopia and factors leading to amblyopia in age 5 to 15 years old children in schools. Methods: A cross sectional study was conducted in different regions of Khyber Agency. The target population was school children age 5 to 15. Data were collected from September 2015 to Dec 2015. The total number of children was 1600, of whom 800 (50%) were males and 800(50%) were females. The eye examination included an assessment of eye health and presence of amblyopia noted. Results: The overall frequency of amblyopia was found 1.12%. In males it was 61.1% and in females was 38.9%. Also it was noticed that age 5 to 10 has 77.8% and age 11 to 15 has 22.2% amblyopia. Refractive error was 50%, strabismus amblyopia 50%. The frequency of mixed and stimulus deprivative amblyopia was not detected. Conclusion: Refractive errors and strabismus are commonly responsible for causing amblyopia.

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