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Am J Ophthalmol. 1983 Apr;95(4):457-66.

Direct, indirect, and sham laser photocoagulation in the management of central serous chorioretinopathy.

Abstract

The role of argon laser photocoagulation in the management of central serous choriorectinopathy was evaluated in a prospective randomized study of eyes with leaks smaller than 250 microns in diameter in the early frames of the angiogram. Eyes were assigned to Group A when the leak was located in the papillomacular bundle or within 500 microns of the capillary-free zone and to Group B when the leakage site was located outside the papillomacular bundle and more than 500 microns from the capillary-free zone. Thirty eyes in Group A underwent either a sham argon laser treatment or a real argon laser treatment directed to the pigment epithelium under the elevated retina at a site remote from the site of fluorescein dye leakage (indirect laser photocoagulation). Twelve eyes in Group B underwent either a laser treatment directed to the site of fluorescein dye leakage (direct laser photocoagulation) or indirect laser photocoagulation. Compared with indirect photocoagulation, direct laser photocoagulation shortened the duration of central serous chorioretinopathy by approximately two months, a statistically significant difference. When compared to sham treatment, indirect photocoagulation did not significantly alter the duration of central serous chorioretinopathy. During an 18-month interval, the recurrence rate in the eyes treated with sham and indirect laser photocoagulation was 34%, whereas no recurrences were observed in the eyes treated with direct photocoagulation. There were no complications from photocoagulation in any of the eyes.

PMID:
6682293
[Indexed for MEDLINE]

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