Epithelial thickness after hyperopic LASIK: three-dimensional display with Artemis very high-frequency digital ultrasound.

Journal of Refractive Surgery
Dan Z ReinsteinD Jackson Coleman

Abstract

To characterize the epithelial thickness profile in a population of eyes after LASIK for hyperopia or hyperopic astigmatism. The epithelial thickness profile was measured in vivo by Artemis very high-frequency (VHF) digital ultrasound scanning (ArcScan Inc) across the central 10-mm diameter of the cornea on 65 eyes at least 3 months after hyperopic LASIK using a 7-mm ablation zone with the MEL 80 excimer laser (Carl Zeiss Meditec). Maps of the average, standard deviation, minimum, maximum, and range of epithelial thickness were plotted. The cross-sectional hemi-meridional epithelial thickness profile was calculated using annular averaging. Linear regression analysis was performed to evaluate correlations between epithelial thickness, spherical equivalent refraction treated, and maximum simulated keratometry. The mean thinnest epithelial thickness was 39.7 +/- 5.6 microm and the mean thickest epithelial thickness was 89.3 +/- 14.6 microm. The average epithelial thickness profile showed an epithelial doughnut pattern characterized by localized central thinning within the 4-mm diameter zone surrounded by an annulus of thick epithelium, with the thickest epithelium at the 3.4-mm radius. The epithelium was on average 10-microm thick...Continue Reading

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Citations

Apr 23, 2013·The British Journal of Ophthalmology·Samuel Arba Mosquera, Shady T Awwad
Sep 17, 2014·Survey of Ophthalmology·Ana Rio-Cristobal, Raul Martin
Feb 13, 2016·Lasers in Medical Science·Walter SekundoMarcus Blum
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Feb 27, 2014·Journal of Cataract and Refractive Surgery·Gene KimMajid Moshirfar
Jul 21, 2012·Journal of Cataract and Refractive Surgery·Michiel H A LugerSamuel Arba-Mosquera
May 26, 2012·Journal of Cataract and Refractive Surgery·David TouboulJoseph Colin
Oct 16, 2012·Journal of Refractive Surgery·Majid MoshirfarGene Kim
Apr 26, 2014·Journal of Refractive Surgery·Paolo VinciguerraRiccardo Vinciguerra
Jan 20, 2015·Journal of Refractive Surgery·Dan Z ReinsteinHugo F S Sutton
Oct 31, 2013·Journal of Refractive Surgery·Dan Z ReinsteinMarine Gobbe
Jun 27, 2013·Journal of Refractive Surgery·Suphi Taneri, Saskia Oehler
Nov 17, 2011·Journal of Refractive Surgery·Dan Z ReinsteinTimothy J Archer
Apr 12, 2016·Journal of Cataract and Refractive Surgery·Paolo Vinciguerra, Riccardo Vinciguerra
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Sep 11, 2018·Journal of Refractive Surgery·Dan Z ReinsteinRyan S Vida
Dec 13, 2018·Journal of Refractive Surgery·Dan Z ReinsteinRyan S Vida
Aug 11, 2018·The British Journal of Ophthalmology·Bartlomiej J KaluznyShwetabh Verma
Jul 13, 2019·Journal of Refractive Surgery·Kishore R PradhanPurushottam Dhungana
Jan 10, 2018·Journal of Refractive Surgery·Montserrat Garcia-GonzalezMiguel A Teus
Dec 11, 2017·Journal of Cataract and Refractive Surgery·Roger F SteinertLuis G Vargas
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Oct 29, 2018·Journal of Cataract and Refractive Surgery·Majid MoshirfarPhillip C Hoopes
May 20, 2016·Eye & Contact Lens·Tao LiXingtao Zhou

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