Simple regression formula for intraocular lens power adjustment in eyes requiring cataract surgery after excimer laser photoablation

Journal of Cataract and Refractive Surgery
Samuel Masket, Seth Everett Masket

Abstract

To develop a simple and accurate method for determining appropriate intraocular lens (IOL) power in cataract patients who had prior excimer laser photoablation for myopia or hyperopia, because laser vision corrective surgery interferes with traditional keratometry and corneal topography, rendering IOL power calculations inaccurate. Private Practice in Century City (Los Angeles), California, and free-standing outpatient surgery centers with institutional review boards. Based on the empiric experience of the senior author, an IOL power correction factor that was proportional to the prior laser photoablation was determined and applied to the IOL power calculated by the IOLMaster (Zeiss). It was necessary to add to the predicted IOL power in eyes with prior myopic laser ablation, whereas eyes having prior hyperopic laser vision correction required a reduction in the IOL power. The correction factor was applied to 30 eyes that required cataract surgery at some time after laser refractive surgery; 23 eyes had prior treatment for myopia, and the remaining 7 eyes had prior hyperopic laser ablation. A regression formula was generated from the IOL power correction factor that was used in the 30 eyes. Using the correction factor for 30 ey...Continue Reading

References

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Citations

Mar 30, 2012·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Sérgio KwitkoCarlos G Arce
Nov 21, 2008·American Journal of Ophthalmology·Arturo ChayetDaniel Schwartz
Sep 1, 2006·Photomedicine and Laser Surgery
Jun 12, 2008·Current Opinion in Ophthalmology·Sachin D KalyaniJohn G Ladas
Dec 10, 2009·Current Opinion in Ophthalmology·Ayman Naseri, Stephen D McLeod
May 18, 2013·Current Opinion in Ophthalmology·Gowtham Jonna, Prabjot Channa
Dec 12, 2012·International Ophthalmology Clinics·William F Wiley, William Trattler
Feb 25, 2014·Japanese Journal of Ophthalmology·Megumi SaikiKazuo Tsubota
Dec 24, 2013·Biotechnic & Histochemistry : Official Publication of the Biological Stain Commission·K XuH Qi
Feb 27, 2014·Journal of Cataract and Refractive Surgery·Gene KimMajid Moshirfar
Oct 29, 2013·Journal of Cataract and Refractive Surgery·Eun Chul KimMan Soo Kim
Oct 9, 2013·American Journal of Ophthalmology·Giacomo SaviniKenneth J Hoffer
Apr 24, 2013·Journal of Cataract and Refractive Surgery·H John ShammasWarren E Hill
Feb 19, 2013·Journal of Cataract and Refractive Surgery·Megumi SaikiKazuo Tsubota
Jul 21, 2012·Journal of Cataract and Refractive Surgery·Carmen CanovasPablo Artal
Jan 22, 2011·Journal of Cataract and Refractive Surgery·Tanja M RabsilberMike P Holzer
Aug 10, 2010·Journal of Cataract and Refractive Surgery·Giacomo SaviniPiero Barboni
Feb 2, 2010·Journal of Cataract and Refractive Surgery·Haiying JinGerd U Auffarth
Mar 8, 2016·Journal of Cataract and Refractive Surgery·Xu ChenLianqun Wu
Oct 16, 2012·Journal of Refractive Surgery·Majid MoshirfarGene Kim
Mar 24, 2009·Journal of Cataract and Refractive Surgery·Kenneth J Hoffer
Aug 4, 2010·Journal of Refractive Surgery·Maolong TangDavid Huang
Oct 20, 2009·Journal of Refractive Surgery·Jack T HolladayAndreas Steinmueller
Sep 25, 2008·Journal of Cataract and Refractive Surgery·Wolfgang Haigis
Jun 24, 2008·Journal of Cataract and Refractive Surgery·Shady T AwwadJames P McCulley
Oct 30, 2007·Journal of Cataract and Refractive Surgery·J Bradley RandlemanR Doyle Stulting
May 29, 2007·Journal of Cataract and Refractive Surgery·Shady T AwwadJames P McCulley
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Apr 20, 2010·Clinical & Experimental Ophthalmology·Michael O'Keefe, Caitriona Kirwan
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Nov 26, 2015·Journal of Cataract and Refractive Surgery·Giacomo SaviniKenneth J Hoffer
Apr 25, 2006·Journal of Cataract and Refractive Surgery·Douglas D Koch
Aug 20, 2014·BioMed Research International·Maddalena De BernardoNicola Rosa
Nov 26, 2015·Eye and Vision·Christopher HodgeAifric Martin

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