peripheral iridectomy

(redirected from buttonhole iridectomy)

pe·riph·er·al ir·i·dec·to·my

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.

peripheral iridectomy

Removal of peripheral tissue from the iris.
See also: iridectomy

iridectomy

excision of part of the iris.

peripheral iridectomy
the peripheral or basal portion is removed.
sector iridectomy
a sector, from pupillary margin to base, is removed.