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Incidence of interface fluid syndrome after laser in situ keratomileusis in Egyptian patients

Authors Gab-Alla AA

Received 25 January 2017

Accepted for publication 9 March 2017

Published 4 April 2017 Volume 2017:11 Pages 613—618

DOI https://doi.org/10.2147/OPTH.S133200

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 3

Editor who approved publication: Dr Scott Fraser

Amr A Gab-Alla

Ophthalmology Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt

Purpose: To determine the incidence of interface fluid syndrome (IFS) secondary to steroid-induced elevation of intraocular pressure (IOP) following laser in situ keratomileusis (LASIK) in myopic Egyptian patients.
Methods: This retrospective case series study was conducted at El-Gowhara Private Eye Center. The medical records of 1,807 patients (3,489 eyes), who underwent LASIK to correct myopia from April 2012 to December 2015 were included. The patients were operated on and reviewed by one surgeon (AAG) for IFS after LASIK associated with elevation of IOP (as compared to preoperative values).
Results: This paper reports the incidence of 2.9% (54 patients) (102 eyes) of IFS induced by increased IOP after LASIK in Egyptian patients. The medical records of 1,807 patients (3,489 eyes) with mean age ± standard deviation (SD) 26.4±2.7 years, who presented with mean myopia ± SD -4.50±1.3 D, mean astigmatism ± SD -1.43±0.8, mean IOP ± SD 15.2±1.2 mmHg, and mean central corneal thickness ± SD 549±25.6 µm, were included. The preoperative anterior and posterior segments, corneal topography, and Schirmer’s test were unremarkable.
Conclusion: Limiting topical steroids and routinely measuring the IOP post-LASIK are necessary steps to prevent IFS, especially in case of myopia. A high index of suspicion is required to make a diagnosis. High-resolution optical coherence tomography is helpful to confirm the diagnosis.

Keywords:
LASIK, postoperative complication, diffuse lamellar keratitis, interface fluid, myopia

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