March 2012
Volume 53, Issue 14
Free
ARVO Annual Meeting Abstract  |   March 2012
Refractive Results After Cataract Surgery In Patients With Previous Corneal Refractive Surgery
Author Affiliations & Notes
  • Astrid QUEANT
    Fondation A. de Rothschild, PARIS, France
  • Alain SAAD
    Fondation A. de Rothschild, PARIS, France
  • Damien GATINEL
    Fondation A. de Rothschild, PARIS, France
  • Footnotes
    Commercial Relationships  Astrid Queant, None; Alain Saad, None; Damien Gatinel, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science March 2012, Vol.53, 6665. doi:
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      Astrid QUEANT, Alain SAAD, Damien GATINEL; Refractive Results After Cataract Surgery In Patients With Previous Corneal Refractive Surgery. Invest. Ophthalmol. Vis. Sci. 2012;53(14):6665.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To expose the refractive results after cataract surgery in patients with previous corneal refractive surgery.

Methods: : Refractive data before and after cataract surgery in 21 myopic eyes of 15 patients were studied. Ten had previous radial keratotomy, nine laser in situ keratomileusis (LASIK) and two photorefractive keratectomy (PRK). Keratometry and calculation formulae are reported. Refractive errors were calculated in each group.

Results: : Before cataract surgery the mean best visual acuity (BVA) was 0.37 +/- 0.25 log MAR (median 0.3, range [0.04 to 1]) and the mean spherical equivalent was -3.26 +/- 4.82 D (median -2.5, range [-13.25 to +4.25]). Seven days after cataract surgery, the BVA was 0.15 +/- 0.16 log MAR (median 0.07, range [0 to 0.52]) and the mean spherical equivalent was -0.19 +/- 0.56D (median -0.19, range [-1.5 to + 0.75]). One month after surgery, BVA was 0.11 +/- 0.16 log MAR (median 0.04, range [0 to 0.52]) and the mean spherical equivalent was -0.5 +/- 0.91D (median -0.5, range [-2 to +1]). The mean refractive error was 0.59D +/-0.48 (range [0 to 1.75]). In 18 patients, the refractive error (85.7%) was less than 1D and in 9 patients (42.9%) it was less than 0.5D. Haigis formula was the most used formula (80.9%), associated with central keratometry measured with the Orbscan (TPV) (52.4%).

Conclusions: : Refractive surprises after cataract surgery are now less frequent in eyes with previous refractive surgery, due to more reliable estimation of keratometry and more adapted lens power calculation formulae.

Keywords: refractive surgery • cataract 
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