A condition where the two eyes have opposite refractive errors, such as one eye being nearsighted and the other being farsighted.
From anti- (opposite) + metropia (from Greek metron 'measure' + ops 'eye'). A medical term coined in the 19th century to describe this specific optical phenomenon.
People with antimetropia have an amazing natural advantage—their eyes can balance each other out, often making them less dependent on glasses than people with matching refractive errors!
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