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First Author: S.Goel INDIA
Co Author(s): N. Barua S. Mukherjee M. Singh
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To evaluate the long-term efficacy and rotational stability of the Toric intraocular lenses in correcting preoperative astigmatism in cataract patients using a a new tool ; slit lamp I-phone adapter.
Anand Hospital & Eye Centre, Jaipur.
This prospective observational study included 150 eyes who underwent implantation of an Toric intraocular lens by phacoemulsification cataract surgery over a duration of 12 months. Outcomes of visual acuity, refractive and keratometric astigmatism, and IOL rotation using slit lamp mounted I-phone adapter after 1 day, 1 week, 1 month, 3 months, and 12 months respectively were evaluated.
At final follow-up, 78.3% of eyes showed an uncorrected visual acuity of 20/30 or better. The postoperative keratometric value was not different from the preoperative value. Mean refractive astigmatism was reduced to -0.28ḟ0.38 diopter (D) from -1.76ḟ0.48 D. The mean rotation of the toric IOL was 3.45ḟ3.39 degrees at final follow-up. Three eyes exhibited IOL rotation of 10.3 degrees and the remaining eyes (96.7%) had IOL rotation of less than 10 degrees.All changes in the IOL rotation was recorded by slit lamp photographs using the adapter
Early postoperative and long-term follow-up showed that implantation of the toric IOL is an effective, safe, and predictable method for managing corneal astigmatism in cataract patients.Hence the slit lamp mounted I-Phone Adapter is a handful new tool to assess the rotational stability of toric IOLS and their subsequent follow up.