The effect of hemodialysis on visual field test in patients with chronic renal failure

PURPOSE: To investigate the visual field with FASTPAC 30-2 program before and after hemodialysis in patients with end stage renal disease. MATERIALS AND METHODS: Twenty eyes of 20 patients on regular hemodialysis were included in the study group. Twenty eyes of 20 healthy patients were chosen as control group. Intraocular pressures (IOP) were measured one hour before and one hour after the same hemodialysis session, and visual field was tested at the same times. RESULTS: When IOP was compared before and after hemodialysis, no statistically significant difference was found (p > 0.05), however Mean Deviation (MD) (p = 0.008) improved after hemodialysis. When we compared first global indices of the control group with pre-hemodialysis global indices, we noted significant difference in MD (p = 0.009). CONCLUSION: Visual field testing should be done after hemodialysis in patients who are on regular hemodialysis program.