1. What is amblyopia in children? Amblyopia in children, also known as \”lazy eye syndrome\”, means that the vision of one or both eyes is underdeveloped and cannot reach normal levels, thus affecting the child\’s life and study. Amblyopia in children often begins in early childhood and can have lifelong effects if left untreated. 2. Causes of amblyopia in children 1. Refractive errors: Myopia, hyperopia, astigmatism and other refractive problems may cause amblyopia in children. 2.Squint: squint