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Subthreshold 577 nm micropulse laser treatment for central serous chorioretinopathy

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  • Ichiro Maruko
  • Hideki Koizumi
  • Taiji Hasegawa
  • Hisaya Arakawa
  • Tomohiro Iida

Abstract

Purpose: To compare the efficacy of the subthreshold micropulse laser (SML) to conventional laser (CL) in treating focal leakages of the retinal pigment epithelium (RPE) in the eyes with central serous chorioretinopathy (CSC). Methods: Twenty-nine eyes of 28 patients with CSC and typical focal leakage were treated with CL or SML. Both treatments were made with a 577 nm yellow laser (CL: NIDEK MC-500, SML: IRIDEX IQ577). The percentage of eyes with a complete resolution, the distance of the laser burns from the fovea, and injury of the RPE after treatment were studied. Results: A complete resolution was seen in 10 of 15 eyes (66.7%) after CL and 9 of 14 eyes (64.3%) after SML (P = 0.89). The average distance from the foveal center to the leakage point was 1282±596 μm for eyes treated with CL and 1271±993 μm for eyes treated with SML (P = 0.4). Only three eyes treated with SML had treatment sites within 500 μm of the fovea. RPE damage determined by fundus autofluorescence was found in all eyes treated with CL and only one eye treated with SML (P

Suggested Citation

  • Ichiro Maruko & Hideki Koizumi & Taiji Hasegawa & Hisaya Arakawa & Tomohiro Iida, 2017. "Subthreshold 577 nm micropulse laser treatment for central serous chorioretinopathy," PLOS ONE, Public Library of Science, vol. 12(8), pages 1-8, August.
    • Handle: RePEc:plo:pone00:0184112
    DOI: 10.1371/journal.pone.0184112
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