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Year : 2021  |  Volume : 35  |  Issue : 1  |  Page : 9-14

Ocular parameters alterations after hemodialysis in patients with chronic kidney diseases

1 Department of Ophthalmology, King Saud Medical City, Riyadh, Saudi Arabia
2 Department of Optometry and Vision Sciences, College of Applied Medical Science, King Saud University, Riyadh, Saudi Arabia
3 Department of Ophthalmology, Faculty of Medicine, Cairo University, Cairo, Egypt

Correspondence Address:
Mr. Abdullah Almaznai
Department of Ophthalmology, King Saud Medical City, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-4534.325775

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PURPOSE: To evaluate the effects of hemodialysis (HD) on visual acuity (VA), central corneal thickness (CCT), intraocular pressure (IOP), and macular thickness (MT) in chronic kidney disease (CKD) patients and also to investigate the relationship between the ocular parameters and blood biochemical parameters such as serum albumin, creatinine, sodium, and urea levels. METHODS: A prospective cohort study including a total of 24 CKD patients of both genders (above 18 years old) undergoing HD in XXX was conducted. The participants were divided into three sub-groups based on the primary cause of renal failure, group 1: Hypertensive kidney disease, group 2: Diabetic kidney disease, group 3: Other causes. All subjects underwent full ophthalmological examinations including measurement of VA using LogMAR, IOP, CCT, and CMT. Comparisons between different ocular parameters during pre- and post-HD sessions were done using the paired t-test. The relationship between changes in ophthalmologic and blood biochemical parameters was calculated using Pearson correlation coefficient. RESULTS: HD did not significantly alter any ocular parameter within and between CKD groups. Spherical equivalent changes were found to be significantly correlated with serum K (r = −0.315; P = 0.038), and IOP results were positively correlated with serum creatinine (r = 0.330; P = 0.029) and negatively correlated with hemoglobin (r = −0.349; P = 0.020). Bodyweight alterations were significantly correlated with CCT (r = −0.03; P = 0.0001). However, no correlation between ocular parameters and duration of HD was detected. CONCLUSION: Following a single HD session, ocular parameters did not alter significantly.

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