A surgical procedure to separate or divide the canthus of the eye, typically to enlarge the palpebral opening.
From Greek 'kanthos' (eye corner) and 'lysis' (loosening or separation), medical terminology for cutting apart eye tissue.
Cantholysis sounds destructive, but it's actually reconstructive—surgeons cut the eye corner to widen vision in certain conditions, showing how 'destruction' and 'healing' can be the same thing!
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