Aniridectomy, also known as asurgical iridectomy orcorectomy,[1] is thesurgical removal of part of theiris.[2][1] These procedures are most frequently performed in the treatment ofclosed-angle glaucoma and irismelanoma.[1]
Vitreoretinal procedure involving injection ofsilicone oil. The location of the iridectomy in such cases is at 6 o'clock, as opposed to routine iridectomy done at 11 to 1 o'clock. This is because silicone oil is less dense than water.
Anantiphogistic iridectomy is the surgical removal of part of the iris to reduce intraocular pressure in inflammatory conditions of the eye.[2]
Abasal iridectomy is an iridectomy which includes the root of the iris.[2]
Anoptical iridectomy is the surgical removal of part of the iris to enlarge the existing pupil, or to form an artificial pupil, when the natural pupil is ineffectual.[2]
Aperipheral iridectomy is the surgical removal of a portion of the iris in the region of its root, leaving the pupillary margin and sphincter pupillae muscle intact.[2] It is used in the treatment of glaucoma.[1]
Apreliminary iridectomy, orpreparatory iridectomy, is the surgical removal of part of the iris precedingcataract extraction.[2] It facilitates the removal of thecataractouslens.[1]
Asector iridectomy, also known as acomplete iridectomy ortotal iridectomy, is the surgical removal of a complete radial section of the iris extending from the pupillary margin to the root of the iris.[2] Akey-hole pupil is left by the removal of a wedge-shaped section of iris.[4]
Astenopeic iridectomy is the surgical removal of a narrow slit or a minute portion of the iris, leaving the sphincter pupillae muscle intact.[2]
Atherapeutic iridectomy is the surgical removal of a portion of the iris for the cure or prevention of an ocular disease.[2]
^abcdefghiCline D; Hofstetter HW; Griffin JR.Dictionary of Visual Science. 4th ed. Butterworth-Heinemann, Boston 1997.ISBN0-7506-9895-0
^Ou, Yvonne (5 July 2021)."Side Effects of Laser Iridotomy".www.brightfocus.org. University of California, San Francisco.Archived from the original on 23 February 2023. Retrieved23 February 2023.
^Cassin, B. and Solomon, S.Dictionary of Eye Terminology. Gainesville, Florida: Triad Publishing Company, 1990.
