Posterior pupillary synechiae affect a proportion of eyes subjected to iridectomy with or without drainage operation because (1) aqueous humour bypassess the pupil; (2) traumatic iridocyclitis occurs; (3) there is immobility of the iris in the iridectomy sector; (4) in eyes with angle closure glaucoma closer apposition of the iris to the anterior lens capsule increases the tendency; (5) pilocarpine aggravates (4) both in angle closure glaucoma and open angle glaucoma and produces a small immobile pupil facilitating pupillary membrane formation (occlusio pupillae). Pilocarpine should be avoided if possible as medical treatment at any time after a drainage operation. A beta blocker is the drug of choice. To eliminate posterior synechiae over a fair number of degrees of pupil (say 30°) sector iridectomy can be done.
CITATION STYLE
Phillips, C. I., Clark, C. V., & Levy, A. (1987). Posterior synechiae after glaucoma operations: Aggravation by shallow anterior chamber and pilocarpine. British Journal of Ophthalmology, 71(6), 428–432. https://doi.org/10.1136/bjo.71.6.428
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