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Peripheral Anterior Synechiae Formation After Trabeculoplasty

Peripheral Anterior Synechiae Formation After Trabeculoplasty Abstract • Argon laser trabeculoplasty (ALT) was performed on 60 eyes with primary open angle glaucoma and 59 eyes with capsular (pseudoexfoliation) glaucoma. Laser applications of four different power levels (500, 600, 700, and 800 mW) were directed either at the anterior trabecular meshwork or at the posterior trabecular meshwork. Gonioscopic examination to reveal peripheral anterior synechiae (PAS) formation was performed before and six months after ALT. Peripheral anterior synechiae were found in 26 (22%) of the eyes. With 500-mW laser power and anterior trabecular meshwork burns, no PAS developed. With 800-mW posterior trabecular meshwork burns, PAS developed in 12 (40%) of the eyes. No correlation between PAS formation and sex, age, glaucoma type, preoperative antiglaucoma medication, pigmentation of the chamber angle, and visible burn effect was found. Intraocular pressure decrease after ALT was significantly smaller in eyes with PAS. References 1. Schwartz AL, Whitten ME, Bleiman MB, et al: Argon laser trabecular surgery in uncontrolled phakic open-angle glaucoma . Ophthalmology 1981;88:203-212.Crossref 2. Thomas JV, Simmons RJ, Belcher CD: Argon laser trabeculoplasty in the presurgical glaucoma patient . Ophthalmology 1982;89:187-197.Crossref 3. Hoskins HD Jr, Hetherington J Jr, Minckler DS, et al: Complications of laser trabeculoplasty . Ophthalmology 1983;90:796-799.Crossref 4. Traverso CE, Greenidge KC, Spaeth GL: Formation of peripheral anterior synechiae following argon laser trabeculoplasty . Arch Ophthalmol 1984;102:861-863.Crossref 5. Thomas JV: Laser trabeculoplasty , in Belcher CD, Thomas JV, Simmons RJ (eds): Photocoagulation in Glaucoma and Anterior Segment Disease . Baltimore, Williams & Wilkins, 1984, pp 61-86. 6. Wise JB, Witter SL: Argon laser treatment of open-angle glaucoma: A pilot study . Arch Ophthalmol 1979;97:319-322.Crossref 7. Rouhiainen HJ, Teräsvirta ME: The laser power needed for optimum results in argon laser trabeculoplasty . Acta Ophthalmol 1986;64:254-257.Crossref 8. Rouhiainen HJ, Teräsvirta ME, Tuovinen EJ: Laser power and postoperative intraocular pressure increase in argon laser trabeculoplasty . Arch Ophthalmol 1987;105:1352-1354.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Peripheral Anterior Synechiae Formation After Trabeculoplasty

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References (10)

Publisher
American Medical Association
Copyright
Copyright © 1988 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1988.01060130199025
Publisher site
See Article on Publisher Site

Abstract

Abstract • Argon laser trabeculoplasty (ALT) was performed on 60 eyes with primary open angle glaucoma and 59 eyes with capsular (pseudoexfoliation) glaucoma. Laser applications of four different power levels (500, 600, 700, and 800 mW) were directed either at the anterior trabecular meshwork or at the posterior trabecular meshwork. Gonioscopic examination to reveal peripheral anterior synechiae (PAS) formation was performed before and six months after ALT. Peripheral anterior synechiae were found in 26 (22%) of the eyes. With 500-mW laser power and anterior trabecular meshwork burns, no PAS developed. With 800-mW posterior trabecular meshwork burns, PAS developed in 12 (40%) of the eyes. No correlation between PAS formation and sex, age, glaucoma type, preoperative antiglaucoma medication, pigmentation of the chamber angle, and visible burn effect was found. Intraocular pressure decrease after ALT was significantly smaller in eyes with PAS. References 1. Schwartz AL, Whitten ME, Bleiman MB, et al: Argon laser trabecular surgery in uncontrolled phakic open-angle glaucoma . Ophthalmology 1981;88:203-212.Crossref 2. Thomas JV, Simmons RJ, Belcher CD: Argon laser trabeculoplasty in the presurgical glaucoma patient . Ophthalmology 1982;89:187-197.Crossref 3. Hoskins HD Jr, Hetherington J Jr, Minckler DS, et al: Complications of laser trabeculoplasty . Ophthalmology 1983;90:796-799.Crossref 4. Traverso CE, Greenidge KC, Spaeth GL: Formation of peripheral anterior synechiae following argon laser trabeculoplasty . Arch Ophthalmol 1984;102:861-863.Crossref 5. Thomas JV: Laser trabeculoplasty , in Belcher CD, Thomas JV, Simmons RJ (eds): Photocoagulation in Glaucoma and Anterior Segment Disease . Baltimore, Williams & Wilkins, 1984, pp 61-86. 6. Wise JB, Witter SL: Argon laser treatment of open-angle glaucoma: A pilot study . Arch Ophthalmol 1979;97:319-322.Crossref 7. Rouhiainen HJ, Teräsvirta ME: The laser power needed for optimum results in argon laser trabeculoplasty . Acta Ophthalmol 1986;64:254-257.Crossref 8. Rouhiainen HJ, Teräsvirta ME, Tuovinen EJ: Laser power and postoperative intraocular pressure increase in argon laser trabeculoplasty . Arch Ophthalmol 1987;105:1352-1354.Crossref

Journal

Archives of OphthalmologyAmerican Medical Association

Published: Feb 1, 1988

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