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Masters Thesis | Ophthalmology | India | Volume 12 Issue 12, December 2023 | Popularity: 4.9 / 10

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Short Term Visual Outcomes Following a New Trifocal Intraocular Lens Implantation in Patients Undergoing Cataract Surgery through Phacoemulsification

Abhishek Singh, Sonu Goel, Nidhi Singh, Niharika

Abstract: Introduction: Traditionally bifocal intraocular lens (IOLs) is implanted following cataract surgery, however, in the recent years trifocal IOLs have emerged as a solution to otherwise unresolved issue of intermediate visual acuity correction. Aim: To study improvement in visual outcomes following trifocal IOL implantation in patients undergoing cataract surgery through phacoemulsification. Materials and Methods: A total of 25 patients (50 eyes; aged 41-70 years; mean age 58.64 years; 68% males) scheduled to undergo cataract surgery using phacoemulsification opting for trifocal IOL implantation were enrolled in the study. Photopic and Mesopic Visual acuity (uncorrected and best corrected), optical aberrations (total, coma, spherical, trefoil, higher order) and contrast sensitivity were measured preoperatively and at day 1, day 7, 1 month and 3 months post-op. intervals. Repeat measures ANOVA and paired 't'-tests were used for comparisons. Result: Significant improvements in near, distant and intermediate visual acuity, contrast sensitivity and decline in optical aberration parameters were seen from day 1 post-operative intervals. The optimization of these improvements occurred at 1 month and persisted till last follow-up at 3 months. Conclusion: Short term visual outcomes of trifocal IOL were promising, particularly with respect to improvement in intermediate visual acuity.

Keywords: Cataract surgery, trifocal intraocular lens, visual acuity, phacoemulsification

Edition: Volume 12 Issue 12, December 2023

Pages: 970 - 973

DOI: https://www.doi.org/10.21275/SR231210211418

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