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Effect of hemodialysis on visual acuity, intraocular pressure, and macular thickness in patients with chronic kidney disease

Authors Chelala E, Dirani A, Fadlallah A, Slim E, Abdelmassih Y, Fakhoury H, Baz P, Bejjani R

Received 17 September 2014

Accepted for publication 13 November 2014

Published 9 January 2015 Volume 2015:9 Pages 109—114


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Elias Chelala,1,2,* Ali Dirani,1,2,* Ali Fadlallah,1,2 Elise Slim,1,2 Youssef Abdelmassih,1,2 Henry Fakhoury,3 Patrick Baz,1,2 Riad Bejjani1,2

1Faculty of Medicine, Saint-Joseph University, 2Hôtel-Dieu de France Hospital, Saint-Joseph University, 3Eye and Ear Hospital, Beirut, Lebanon

*These two authors contributed equally to this work

Background: The aim of this study was to evaluate the effects of hemodialysis (HD) on visual acuity, intraocular pressure (IOP), and central foveal thickness (CFT) in patients with chronic kidney disease.
Materials and methods: Forty-nine eyes from 49 chronic kidney-disease patients were analyzed. Causes of chronic kidney disease included diabetes mellitus (n=9 patients), hypertensive nephrosclerosis (n=15 patients), and other causes (n=25 patients). All patients underwent HD in the Dialysis Unit of Hôtel-Dieu de France Hospital. Best-corrected visual acuity, CFT, and IOP were evaluated before and after HD. CFT was measured with spectral domain optical coherence tomography, and IOP was measured with Goldmann applanation tonometry.
Results: Neither decimal best-corrected visual acuity (pre-HD 0.71±0.32, post-HD 0.72±0.31; P=0.877) nor CFT (pre-HD 251.39±39.29, post-HD 253.09±39.26; P=0.272) significantly changed after HD. However, mean IOP significantly decreased from 13.99±2.48 before HD to 12.65±2.41 mmHg after HD (P=0.001). IOP change was significantly correlated with serum albumin levels (P=0.008) and weight changes (P=0.047).
Conclusion: HD can affect various ocular parameters. This is particularly true of IOP, which decreases significantly following HD.

Keywords: chronic kidney disease, hemodialysis, visual acuity, central macular thickness, intraocular pressure

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