Surgical removal of the ciliary body or ciliary structures of the eye.
From Latin cilium (eyelash/ciliary structure) plus Greek -ektomē (cutting out or removal), a medical term for surgical excision.
Ciliectomy is performed in rare cases of severe eye disease where the ciliary body is damaged beyond repair—it's an extreme measure because the ciliary muscle is essential for focusing vision and regulating eye pressure.
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