from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The removal of part of the iris.

from The Century Dictionary and Cyclopedia

  • n. Incision of the iris.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a surgical procedure that makes an incision in the iris of the eye in order to enlarge the pupil or to treat closed-angle glaucoma


Sorry, no etymologies found.


  • Attention was focused on the new Visian ICL with CentraFLOW technology that utilizes the KS-AquaPORTâ„¢, eliminating the need for an iridotomy before the procedure.

  • Acute angle closure glaucoma due to pupillary block, treatable by peripheral iridotomy, can be caused by adrenergic agents, either locally (phenylephrine drops, nasal ephedrine, or nebulized salbutamol) or systemically (epinephrine for anaphylactic shock), drugs with anticholinergic effects including tropicamide and atropine drops, tri and tetracyclic antidepressants, and cholinergic agents like pilocarpine.

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  • A laser iridotomy is also required for the fellow eye.

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  • The first line of treatment in Primary Angle Closure Glaucoma is a laser iridotomy.

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  • If laser eye treatment, laser iridotomy is indicated, the surgeon must first determine if and how angle is occluded.


  • Risk of laser iridotomy (laser eye treatment) is an increase in intraocular pressure.



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