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. 2015 Jan 9:9:109-14.
doi: 10.2147/OPTH.S74481. eCollection 2015.

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

Elias Chelala  1 , Ali Dirani  1 , Ali Fadlallah  1 , Elise Slim  1 , Youssef Abdelmassih  1 , Henry Fakhoury  2 , Patrick Baz  1 , Riad Bejjani  1
Affiliations

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

Elias Chelala et al. Clin Ophthalmol. .

Abstract

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: central macular thickness; chronic kidney disease; hemodialysis; intraocular pressure; visual acuity.

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