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Comparative study of post-operative visual outcome and complications after small incision cataract surgery in patients of diabetic and non-diabetic patients of cataract

Aparna Kekan, Snehal Raut

Abstract


Objective: The purpose of the study was to compare post-operative visual outcome and complications after small incision cataract surgery (SICS) in diabetic and non-diabetic patients of cataract. Method: This was prospective comparative study of 60 patients having diabetes and 60 patients having cataract with no diabetes mellitus undergoing SICS. All patients underwent complete ocular examination including best corrected visual acuity, slit lamp bio microscopy, and 90 D examination preoperative and postoperatively at 1 week, 4 week, 6week, 2 months, 6 months interval. Intraoperative and postoperative complications and best corrected visual acuity were noted. Result: Mean of best corrected visual acuity postoperatively was 6/36 in diabetic patients while it was 6/6 in non-diabetic patients. Patients with no retinopathy in diabetic group improved to 6/12-6/9, in non-proliferative diabetic retinopathy (NPDR) without maculopathy to 6/12-6/18, NPDR with maculopathy improved to 6/36, cases with proliferative diabetic retinopathy (PDR) with maculopathy had vision finger counting close to face and patients with PDR without maculopathy had vision 5/60-6/60. This value is statistically significant p=0.022. suggesting worsening of visual outcome after small incision cataract surgery in diabetic patients due to diabetic retinopathy. Also, postoperative complications were noticed more in diabetic patients than anothernon-diabetic group who underwent SICS. Conclusion: SICS is a safe procedure in diabetic patients and decreased vision is attributed to preoperative diabetic retinopathy and worsening of diabetic retinopathy after small incision cataract surgery and not with the procedure per se. Visual acuity are almost same in diabetes and non- diabetes except for late stage. Complications are found more in diabetic patients.

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References


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