Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia.
Related to sector iridectomy: peripheral iridectomy
an iridectomy in which a portion of the pupillary margin is excised.
The removal of a wedge-shaped section of the iris (e.g., as a treatment for a local melanoma or a vascular tumor).
See also: iridectomy
excision of part of the iris.
the peripheral or basal portion is removed.
a sector, from pupillary margin to base, is removed.