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ORIGINAL ARTICLE
Year : 2019  |  Volume : 57  |  Issue : 2  |  Page : 105-108

Surgically induced astigmatism in manual small-incision cataract surgery: A comparative study between superotemporal and temporal scleral incisions


Department of Ophthalmology, Shri Sathya Sai Medical College and Research Institute, Sri Balaji Vidhyapeeth, Deemed to be University (SBV), Chennai, Tamil Nadu, India

Correspondence Address:
Dr. Shruti Prabhat Hegde
Associate Professor, Department of Ophthalmology, Shri Sathya Sai Medical College and Research Institute, Sri Balaji Vidhyapeeth, Deemed to be University (SBV), Ammapettai, Via Thiruporur, Chennai - 603 108, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/tjosr.tjosr_23_19

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Purpose: The purpose of this study is to compare the surgically induced astigmatism between superotemporal and temporal approaches in manual small-incision cataract surgery (MSICS). Materials and Methods: This was a prospective, hospital-based, interventional study with two groups each consisting of 50 patients. Patients in Group A underwent superotemporal MSICS and those in Group B underwent temporal MSICS. Statistical analyses of the results obtained were done with the SPSS software version 20, and data sets were compared using an independent sample t-test. Results: Astigmatism induced by superotemporal incision was 0.8032 ± 0.322 D, whereas astigmatism induced by temporal incision was 0.3826 ± 0.142 D with the difference being statistically significant. Both the groups showed significant improvement in postoperative uncorrected visual acuity. Conclusions: This study showed that the temporal MSICS induces lesser astigmatism as compared to the superotemporal approach. However, unaided postoperative visual acuity was comparable and good in both the groups.


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