Japanese

Peripheral iridectomy versus argon laser iridotomy in treating primary angle-closure glaucoma Akira Koshibu 1 , Minayuki Asai 1 , Shigeru Fujii 1 , Reiko Tsujiguchi 1 , Toshihito Furumura 1 , Hisashi Miyatani 1 1Dept. of Ophthalmol, Koseiren Takaoka Hosp pp.27-32
Published Date 1987/1/15
DOI https://doi.org/10.11477/mf.1410209920
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We evaluated the long-term results of peripheral iridectomy and argon laser iridotomy in eyes with primary angle-closure glaucoma. Peripheral iridectomy (PI) was performed in 56 eyes of 42 patients, and argon laser iridotomy (ALI) in 53 eyes of 38 patients. All the cases were followed up for 12 months or more.

Postoperatively, intraocular pressure (IOP) was controlled under 21 mmHg with or without medication in 80% and 79% of eyes after PI and ALI respectively.Regardless of the therapeutic modality, IOP was suc-cessfully controlled in eyes with preoperative peripheral anterior synechia (PAS) less than 50% of the angle circumference and preoperative outflow facility of 0.20 or more. Conversely, IOP was poorly controlled in eyes with preoperative PAS extending over 75% and with preoperative outflow facility less than 0.10 with topical medications.

There was no difference between PI and ALI as to thepostoperatively induced changes in the extent of PAS and outflow facility. We encountered no serious compli-cations during and after treatment throughout our series. Due to progression of cataract, visual acuity loss of more than 2 lines in acuity chart occurred in 32% and 29% of eyes after PI and ALI respectively.

While both procedures are safe and effective means of treatment for primary angle-closure glaucoma, we advocate ALI as a primary procedure because of its simplicity and ease of application.

Rinsho Ganka (Jpn J Clin Ophthalmol) 41(1) : 27-32, 1987


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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