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
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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