iridectomy

1. Excision of a portion of the iris. 2. The hole in the iris produced by a surgical i.. [irido- + G. ektome, excision]

- buttonhole i. SYN: peripheral i..

- optical i. i. performed for the purpose of improving vision by making an artificial pupil.

- peripheral i. in narrow-angle glaucoma, the surgical removal of a minute portion of the iris at its root; in intracapsular extraction of cataract, removal of one or more minute sections near the peripheral border, leaving the pupillary margin intact. SYN: buttonhole i., stenopeic i..

- sector i. an i. in which a portion of the pupillary margin is excised.

- stenopeic i. SYN: peripheral i..

- therapeutic i. an i. performed for the prevention or cure of disease, e.g., angle-closure glaucoma.

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iri·dec·to·my .ir-ə-'dek-tə-mē, .īr- n, pl -mies the surgical removal of part of the iris of the eye

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n.

an operation on the eye in which a part of the iris is removed.

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iri·dec·to·my (ir″ĭ-dekґtə-me) [irid- + -ectomy] surgical excision of a full-thickness piece of the iris; called also corectomy.