An eye disorder may have given Leonardo da Vinci an artistic edge
A neuroscientist offers evidence that the artist had exotropia, in which one eye turns outward

EYE-OPENER It’s believed that Leonardo da Vinci used his own likeness in his Salvator Mundi painting (shown). The artist may have had exotropia, a type of eye misalignment that causes one eye to turn slightly outward, a study finds.
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