Abstract
Correspondence: sally L Painter Oxford eye hospital, John radcliffe hospital, headley Way, headington, Oxford, OX3 9DU, United Kingdom Tel +44-1865-234800 Fax +44-1865-234800 email sallylpainter@gmail.com Background: Cataract surgery is increasingly regarded as a refractive procedure. Corneal astigmatism can be reduced by the insertion of a toric intraocular lens (T-IOL). Rayner T-flex T-IOLs are licensed for the correction of astigmatism. Methods: In this retrospective study, 46 eyes from 34 patients, in whom T-IOLs were inserted, have been examined. Astigmatism was analyzed using power vectors. Results: Postoperatively, 72% had unaided vision of 6/9 or better, with 42% having ,0.25 diopters (D) of residual cylinder and 78% having ,1.5 D of residual cylinder, compared with 6.9% preoperatively. Once astigmatism had been converted to power vectors, J 0 (measure of astigmatism with an axis of 0°) reduced in magnitude from −0.81 D ± 0.85 to 0.09 D ± 0.42 (P , 0.001). Conclusion: Rayner T-flex lenses can be reliably used to correct corneal astigmatism.
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