Журнал клинической и экспериментальной офтальмологии
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Post-Operative Astigmatism and Visual Outcome among Superior Approach Manual Small Incision Cataract Surgery at Surgical Eye Camp in Nepal

Suresh Raj Pant, Ramesh Chandra Bhatta and Suresh Awasthi

Objective: To evaluate post-operative astigmatism and visual outcome among patients with superior approach manual small incision cataract surgeries at surgical eye camp in Nepal.

Method: This is a retrospective, case study of post-operative astigmatism after cataract surgery. This study was conducted at Geta Eye Hospital using data collected from surgical eye camp in Kanchanpur district of Nepal. A total of 106 records of cases that had undergone superior approach manual small incision cataract surgery (MSICS) during February 2017 in a surgical eye camp were selected. Records of patients who did not attend follow up at 4 to 6 weeks were excluded. Post-operative visual acuity, retinoscopy and subjective refraction data were collected from patient records at 4 to 6 weeks follow up.

Results: Of 106 cases followed up at 4-6 weeks of surgery 42(39.6%) had astigmatism of 0.5 to 1 diopter (D), 36 (34%) had 1.25 to 2 diopters, 16 (15.1%) had 2.25 to 3.0 diopters, 11 (10.4%) had<0.5 diopter and 1 (0.9%) had >3.0 diopters. Altogether 64 (60.3%) cases had uncorrected visual acuity ≥ 6/18 and 100 (94.3%) cases had best corrected visual acuity ≥ 6/18. There was statistically significant difference between uncorrected and best corrected visual acuity (p=0.001).

Conclusion: Superior approach manual small incision cataract surgery had significant astigmatism at 4-6 weeks follow-up, though it gives good post-operative visual outcome after refractive correction.