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First Author: J.Pires PORTUGAL
Co Author(s): S. Gomes Monteiro M. Sá Cardoso R. Matos M. Mariano
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To prospectively compare the clinical results and rotation stability of 3 toric intraocular lens (IOLs), namely the Alcon AcrySof® Toric IOL, the Abbott Tecnis® Toric IOL and the Bausch + Lomb enVista® Toric IOL.
Department of Ophthalmology at Centro Hospitalar do Baixo Vouga, Aveiro, Portugal.
This prospective observational study enrolled a total of 60 eyes with corneal astigmatism greater than 1 diopter, which underwent uncomplicated phacoemulsification with Toric IOL implantation. The surgical procedures were performed by the same experienced surgeon, using an identical surgical technique. 20 eyes were implanted with an Alcon AcrySof® Toric IOL, 20 eyes with an Abbott Tecnis® Toric IOL and 20 eyes received a Bausch + Lomb enVista® Toric IOL. Rotational stability and uncorrected visual acuity (UCVA) were measured at the first postoperative day, at the end of the first month, at the third month and finally at the sixth month after surgery.
Preliminary results showed an high success rate in terms of UCVA, with residual postoperative astigmatism and a mean toric IOL axis rotation inferior to 5 degrees. None of the Toric IOLs required surgical repositioning and none showed more than 8 degrees of rotation.
Toric IOLs proved to be a predictable and effective device for managing corneal astigmatism. All IOLs showed good rotational stability, with no significant differences being found between the three IOLs.