Quantitative analysis of Microdistortions in Bowman's Layer using optical coherence tomography after SMILE among different myopic corrections

Journal of Refractive Surgery
Jie LuoXingtao Zhou

Abstract

To quantitatively analyze the characteristics of Bowman's layer microdistortions after femtosecond laser small incision lenticule extraction (SMILE) among different myopic corrections, and their correlations with stromal lenticule thickness. In this nonrandomized, prospective, controlled study, 63 eyes of 32 consecutive patients undergoing SMILE were divided into three groups according to the preoperative spherical equivalent (SE): greater than -6.00 D (20 eyes), -3.00 to -6.00 D (26 eyes), and -3.00 D or less (17 eyes). Measurement by slit-lamp microscope, uncorrected distance visual acuity (UDVA), manifest refraction, and Fourier-domain optical coherence tomography (FD-OCT) were conducted preoperatively and 1 day and 1 month postoperatively. Index M was calculated according to the OCT images to indicate the quantity of microdistortions in Bowman's layer. Microdistortions in Bowman's layer were observed in 65.0% (13 of 20 eyes) and 30.8% (8 of 26 eyes) in the greater than -6.00 D and -3.00 to -6.00 D groups, respectively, 1 day postoperatively, and in 60% (12 of 20 eyes) and 23.1% (6 of 26 eyes) 1 month later. No Bowman's layer microdistortion was detected in the -3.00 D or less group postoperatively. The quantitative index M ...Continue Reading

References

Feb 28, 2002·American Journal of Ophthalmology·Katsuya MitookaWilliam M Bourne
Dec 25, 2002·Journal of Cataract and Refractive Surgery·William N Charman
Jan 25, 2006·Investigative Ophthalmology & Visual Science·Jae Yong KimHungwon Tchah
Aug 30, 2008·Journal of Cataract and Refractive Surgery·Walter SekundoMarcus Blum
Dec 23, 2008·Journal of Cataract and Refractive Surgery·Burkhard von Jagow, Thomas Kohnen
Dec 25, 2010·Journal of Cataract and Refractive Surgery·Rupal ShahSayantan Sengupta
Feb 11, 2012·Investigative Ophthalmology & Visual Science·Marcus AngJodhbir S Mehta
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Apr 8, 2014·Journal of Refractive Surgery·Anders Ivarsen, Jesper Hjortdal
Apr 8, 2014·Journal of Refractive Surgery·Fangyu LinYabo Yang

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Citations

Aug 15, 2015·BioMed Research International·Yu-Chi LiuJodhbir S Mehta
Jun 12, 2018·Journal of Refractive Surgery·Huamao MiaoXingtao Zhou
Feb 12, 2019·Journal of Refractive Surgery·Jing ZhaoXingtao Zhou
Mar 12, 2019·Journal of Refractive Surgery·Yan WangVishal Jhanji
Nov 12, 2019·Journal of Refractive Surgery·Julie M SchallhornSteven C Schallhorn
Mar 9, 2019·Journal of Cataract and Refractive Surgery·Ralf KindWalter Sekundo
Nov 25, 2020·Indian Journal of Ophthalmology·Mohamed Ibrahime AsifNamrata Sharma

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