title: Effect of hemodialysis on visual acuity, intraocular pressure, and macular thickness in patients with chronic kidney disease.
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.
  
  
  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).
  
  
  CONCLUSIONS
  HD can affect various ocular parameters. This is particularly true of IOP, which decreases significantly following HD.
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Elias
authors: E
authors: Chelala
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Ali
authors: A
authors: Dirani
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Ali
authors: A
authors: Fadlallah
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Elise
authors: E
authors: Slim
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Youssef
authors: Y
authors: Abdelmassih
authors: Eye and Ear Hospital, Beirut, Lebanon.
authors: Henry
authors: H
authors: Fakhoury
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Patrick
authors: P
authors: Baz
authors: Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon ; Hôtel-Dieu de France Hospital, Saint-Joseph University, Beirut, Lebanon.
authors: Riad
authors: R
authors: Bejjani
keywords: central macular thickness; chronic kidney disease; hemodialysis; intraocular pressure; visual acuity
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