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Microsecond yellow laser for subfoveal leaks in central serous chorioretinopathy

Authors Ambiya V, Goud A, Mathai A, Rani PK, Chhablani J

Received 10 May 2016

Accepted for publication 21 June 2016

Published 11 August 2016 Volume 2016:10 Pages 1513—1519

DOI https://doi.org/10.2147/OPTH.S112431

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Lucy Goodman

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Vikas Ambiya, Abhilash Goud, Annie Mathai, Padmaja Kumari Rani, Jay Chhablani

Srimati Kanuri Santhamma Retina Vitreous Center, Kallam Anji Reddy Campus, L. V. Prasad Eye Institute, Hyderabad, India

Purpose:
To evaluate the role of navigated yellow microsecond laser in treating subfoveal leaks in nonresolving central serous chorioretinopathy (CSC).
Methods: This prospective study included ten eyes of ten consecutive patients with nonresolving CSC with subfoveal leaks. All eyes were treated with 577 nm navigated yellow microsecond laser (5% duty cycle). Key inclusion criteria include a vision loss for a duration of minimum 3 months duration due to focal subfoveal leak on fluorescein angiography. Key exclusion criteria include prior treatment for CSC and any signs of chronic CSC. Comprehensive examination, in addition to low-contrast visual acuity assessment, microperimetry, autofluorescence, spectral domain optical coherence tomography, and fundus fluorescein angiography, was done at baseline, 1, 3, and 6 months after treatment. Rescue laser was performed as per predefined criteria at 3 months.
Results: The average best-corrected visual acuity improved from 73.3±16.1 letters to 75.8±14.0 (P=0.69) at 3 months and 76.9±13.0 (P=0.59) at 6 months, but was not statistically significant. Low-contrast visual acuity assessment (logMAR) improved from 0.41±0.32 to 0.35±0.42 (P=0.50) at 3 months and 0.28±0.33 (P=0.18) at 6 months. Average retinal sensitivity significantly improved from baseline 18.93±7.19 dB to 22.49±6.67 dB (P=0.01) at 3 months and 21.46±8.47 dB (P=0.04) at 6 months. Rescue laser was required only in one eye at 3 months; however, laser was required in three eyes at 6 months.
Conclusion: Microsecond laser is a safe and effective modality for treating cases of nonresolving CSC with subfoveal leaks.

Keywords:
CSC, central serous chorioretinopathy, Navilas®, navigated laser, microsecond yellow laser

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