Amblyopia refers to reduced vision in an eye caused by abnormal development early in life, usually between birth and 7 years of age.
It occurs when one eye (rarely both) is weaker and drifts inwards or upwards. It's sometimes called a lazy eye. It is the most common cause of poor vision in children and about 1 in 25 children develop some degree of amblyopia.
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With early detection and treatment, long-term vision problems can be prevented. Read more about amblyopia.
Lazy eye (Amblyopia) – a guide for patients
(Johns Hopkins Medicine, US, 2021)
Watch a video explaining amblyopia by Get Eye Smart, USA, 2010.