Definition of amblyopia in English:



  • Impaired or dim vision without obvious defect or change in the eye.

    • ‘Treatment improved the vision of many of the 507 older children with amblyopia studied at 49 eye centers.’
    • ‘Despite problems with follow-up, this study provides evidence that early detection and intervention for amblyopia improves vision in young children.’
    • ‘They asked the surgeons to inform them of people with amblyopia who had lost vision in their good eye as adults.’
    • ‘Early detection of amblyopia is critical to your child's eyesight.’
    • ‘This is very important, because it is estimated that as many as three percent of children in the U.S. have some degree of vision impairment due to amblyopia.’


Early 18th century: from Greek ambluōpia dim-sightedness from ambluōpos (adjective), from amblus dull + ōps, ōp- eye.