Page 114 - The Indian Optician Digital Edition November-December 2021
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and posterior chamber toric IOL implantation
                                                              is an effective option to correct pre-existing
                                                              astigmatism in a cataract surgery. In the
                                                              subjective questionnaire, the patients show
                                                              ratings between 7 to 10 on a scale of 10 which
                                                              shows satisfaction for distance and near vision
                                                              after the implantation of toric intraocular lens.
                                                                 The present study summarises that the
                                                              implantations of binocular toric IOL in astigmatic
                                                              patients were an effective option to correct
                                                              pre-existing astigmatism in cataract surgery
                                                              with the implantation of toric IOL. There was no
                                                              significant difference between pre and post-K-
          observational study was performed on 216            reading. It must be noted that the postoperative
          eyes of 108 patients treated between 2016 to        visual acuity is better and there is no residual
          2021 for cataracts with astigmatism (cylinder       astigmatism because it was corrected by the
          ≤ -4.00 Diopters). The patients previously          implantation of toric IOL. Overall, the patients
          underwent bilateral cataract surgery with           were satisfied with the visual performance
          phaco and implantation of Toric Intraocular         because of less amount of refractive power.
          lens. Refractive predictability, change in mean     The patients also graded high satisfaction
          spherical equivalent refraction, postoperative      visual rating in postoperative subjective visual
          uncorrected visual acuity (UCVA), and subjective    experience.
          visual outcome were compared in the first
          month after the surgery. Pre-operatively, the       KEYWORDS
          patients had visual acuity between 1mFC to             Pre-Op: Pre-Operative, Post Op:
          6/18. After implanting toric IOL, 166 patients      Postoperative, IOL: Intraocular lens
          have 6/6 visual acuity, 49 patients have 6/9
          visual acuity, and one patient has 6/12 visual      REFERENCES
          acuity. The p-value was <0.0000001 which is         1.  Requirement for and Optimisation of
          <0.05, i.e. statistically significant when testing     Premium Intraocular Lenses, Gurpreet Bhogal
          with two different pre-operative astigmatisms          2012 Aston University.
          of subjective test reading and postoperative
          astigmatism of subjective test reading in           2.  Analysis and Correction of Corneal
          patients with astigmatism between 1D-4D. In            Astigmatism in Modern Pseudophakia by
          a subjective questionnaire, the patient shows          Catriona Ann Hamer Health and Human
          a rating between 7 to 10 on a scale of 10. This        Sciences Doctoral Training Centre 2015.
          shows satisfaction for distance and near vision
          after the implantation of a toric intraocular lens.   3.  Evaluation of Modern Intraocular Lenses
          Overall, the patients were satisfied with the          Phillip Buckhurst 2011, Aston University
          visual performance due to a lesser amount of        ACKNOWLEDGMENTS
          refractive power.
                                                                 The article has been written under the
          DISCUSSION                                          guidance of Keyur N Sharma (Assistant
                                                              Professor, Shree Bharatimaiya College of
             The p-value was <0.0000001 which is <0.05,       Optometry & Physiotherapy, Surat), Dr.
          i.e. statistically significant when testing with    Mahendrasinh D. Chauhan (Principal,
          two different pre-operative spherical equivalent    Shree Bharatimaiya College of Optometry
          readings and postoperative spherical equivalent;    & Physiotherapy, Surat), Dr. Chetna V. Patel
          reading in patients with cataracts.
                                                              (Vice Principal, Shree Bharatimaiya College of
             The results indicate that phacoemulsification    Optometry & Physiotherapy, Surat).


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