Journal of Graduate Studies - VOL - 38-1

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End date: 2018Subject: search.filters.subject.Renal failure

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    Study of the Effect of hemodialysis on the Visual Performence
    (Graduate College - Alneelain university, 2017-12) Elkheir Ahmed Ibrahim, Nuha Mohamed Fathelrahman; Abdelaziz Mohamed Elmadina
    Aim: A comparative cross-sectional study aimed to assess effect of renal failure on visual performance (visual acuity, color vision and contrast sensitivity) and to compare the visual function pre and post dialysis. Method: This study conducted at Military Hospital in Omdurman- Sudan at a period from 23 Dec 2016 to 28 Jan2017formal consent was taken from each patient subject for examinations and measurements. Participants with systemic or ocular diseases were excluded; outer and inner eye were examined. Ninety subjects were screened for selection; visual performance (visual acuity, refraction, color vision and contrast sensitivity) carried out pre and post dialysis. Results:: A total number of 30 subjects (60 eyes) were found to fulfil the criteria of selection (50% males and 50% female) their ages were ranged from 20 - 45 years with mean of 33.46 ±7.22 years. Pre dialysis unaided visual acuity was ranged from 0.06 to1.00 with mean of 0.78±0.31and post dialysis was ranged from 0.06 to1.00 with mean of 0. 82±0.31.Paired sample t-test showed non-significant differences between unaided vision of the subjects pre and post dialysis (df =59, t = -1.8,P =0.062). The visual acuity pre dialysis was ranged from 0.3 to 1.00 with mean of 0.83 ± 0.25 and post dialysis from 0.3 to 1.00 with mean of 0.86 ±0.23 paired sample t-test revealed No significant differences found between VA pre and postdialysis p 0.329. Contrast sensitivity pre dialysis was ranges from 1.70 to 1.85 with mean of 1.83±0.03 and post dialysis ranged from 1.75 to 1.85 with mean of 1.84±0.02. Paired sample t-test yields non-significant differences between the contrast sensitivity of the subjects pre and post dialysis (f= 59; t= -1.0; P = 0.289). All subjects had normal color vision pre and post dialysis. Conclusion: Study revealed non-significant enhancement in visual acuity and contrast sensitivity after dialysis.
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    Tear Quantity and Outer Eye Disorders in the Patients with Chronic Renal Failure Undergoing Hemodialysis
    (Graduate College - Alneelain university, 2017-12) Zeinab Altyeeb Osman, Madiha Sid Ahmed Ali
    Aim: To evaluate the tear quantity and outer eye disorders in the patients with chronic renal failure who undergoing hemodialysis. Material and Methods: A comparative cross sectional hospital based study was done in Khartoum State at Omdurman Military Medical Hospital and Abdulrahman Salih Sabderat Centre in the period from April to June 2017. Schirmer test paper was used to evaluate the tear quantity, stop watch was used to adjust time when assessing the tear quantity, outer eye was examined by a torch and hand held magnifier, the collected data was analyzed by SPSS 20. Results: A total of 100 subjects (100 eyes) was investigated, the study group were 50 patients with renal failure; 56% males and 44% females their age was ranged between (20-45) with mean 33.18±7.34 years, while the control group(50 subjects) 38% of them were males and 62% were females. Their age range was (20-44) with a mean 30±8.94 years. Sixty two percent of the patients with renal failure were complain of different symptoms (itching 45%, blur in vision 22%, discharge 20%, unable to see at night 2%, lacrimation 22%, redness 4%, ocular pain 2%, headache 2%), 86% had outer eye disorders (pterygiumwithredness2%, redness 2%, redness and yellow conjunctiva 32%,yellow conjunctiva50%). There was a significant difference when comparing the mean of tear quantity between study group 16.3±8.75 and the control group 17.7±6.40, P value 0.000. Conclusion: Chronic renal failure disease leads to eye dryness and outer eye disorder. Hence proximate observation is necessary for those patients.