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Long-term refractive stability following combined astigmatic keratotomy and phakoemulsification

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Abstract

Background To determine whether combined astigmatic keratotomy and cataract surgery induces a sustained reduction in astigmatism. Methods Patients who had previously undergone combined cataract surgery and astigmatic keratotomy for naturally occurring astigmatism were identified and their notes reviewed. Mean final follow-up was 34 months (30–42 months). Fourteen eyes of 11 patients were eligible for study. Arcuate corneal incisions had been employed using the Buzard nomogram. Using power vector analysis, the post-operative refractive change at 6 months and final follow-up was determined. Results The mean preoperative manifest cylindrical refractive error was 2.88 D (1.50–5.50 D). The mean postoperative manifest cylindrical refractive error was 1.89 and 1.79 D at 6 months and final follow-up, respectively. Power vector analysis demonstrated a significant postoperative reduction in refractive blur at 6 months and final follow-up (P = 0.006, P = 0.004, respectively): mean preoperative blur strength was 2.90 D and mean postoperative blur strength was 1.33 and 1.25 D at 6 months and final follow-up, respectively. Sustained postoperative reduction in astigmatism was noted in 12 of 14 eyes at final follow-up. Conclusions Astigmatic keratotomy is a well-established treatment for astigmatism. In this series, the refractive benefit from combined astigmatic keratotomy and cataract surgery is maintained for several years. No surgical complications were observed.

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Authors and Affiliations

  1. Royal Eye Unit, Kingston Hospital, Galsworthy Road, Kingston-upon-Thames, Surrey, KT2 7QB, UK

    Avinash Kulkarni, Asimina Mataftsi, Ash Sharma, Ambreen Kalhoro & Simon Horgan

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  1. Avinash Kulkarni
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  2. Asimina Mataftsi
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  3. Ash Sharma
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  4. Ambreen Kalhoro
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Correspondence to Avinash Kulkarni.

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Kulkarni, A., Mataftsi, A., Sharma, A. et al. Long-term refractive stability following combined astigmatic keratotomy and phakoemulsification. Int Ophthalmol 29, 109–115 (2009). https://doi.org/10.1007/s10792-007-9178-y

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  • DOI: https://doi.org/10.1007/s10792-007-9178-y

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