The Asia-Pacific Journal of Ophthalmology

Asia-Pacific Journal of Ophthalmology:

Issue 4, July/August 2017 Review Article

Intraocular Lens Power Calculation in Eyes After Laser In Situ Keratomileusis or Photorefractive Keratectomy for Myopia

Abulafia, Adi; Hill, Warren E.; Wang, Li; Reitblat, Olga; Koch, Douglas D.



Author Information


From the *Shaare Zedek Medical Centre, Jerusalem; †Hebrew University of Jerusalem, Jersusalem, Israel; ‡East Valley Ophthalmology, Mesa, Arizona; and §Cullen Eye Institute, Baylor College of Medicine, Houston, Texas.


Reprints: Adi Abulafia, MD, Shaare Zedek Medical Centre, Shmu’el Bait St 12, Jerusalem, 9103102, Israel. E-mail: adi.abulafia@gmail.com.



Abstract


Intraocular power calculation is challenging for patients who have previously undergone corneal refractive surgery. The sources of prediction errors for these eyes are well known; however, the numerous formulas and methods available for calculating intraocular lens power in these cases are eloquent testimony to the absence of a definitive solution. This review discusses some of the available methods for improving the accuracy for predicting the refractive outcome for these patients. It focuses mainly on the methods available on the American Society of Cataract and Refractive Surgery (ASCRS) online calculator and provides some practical guidelines for cataract surgeons who encounter these challenging cases.




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