Amblyopia is a cause of lifelong visual impairment if not detected and managed at an early age. Children with amblyopia may not be aware, nor complain of defective vision. Thus, the need for screening programmes to aid early detection and treatment of this condition. Children in the school age group are easily accessible.
Amblyopia is defined as unilateral or less commonly bilateral decrease of best corrected visual acuity caused by vision deprivation or abnormal binocular interaction for which no causes can be detected by the physical examination of the eye.
Amblyopia is mainly assosciated with factors affect clarity of received image or equality of visual input between both eyes. These factors are known as amblyogenic factors.
Amblyopia is classified to strabismic, refractive and deprivational amblyopia.
The best way for management of amblyopia is prevention by screening and early detection of amblyogenic factors.
The aim of the study is to determine the prevalence and risk factors of amblyopia among primary school students in Alexandria, Egypt.