Femtosecond laser-assisted deep anterior lamellar keratoplasty with big-bubble technique for keratoconus.

Abstract:

PURPOSE:The purpose of this study was to evaluate the clinical results after deep anterior lamellar keratoplasty (DALK) assisted by the femtosecond laser with big-bubble technique for keratoconus. METHODS:A case series of 22 eyes in 19 patients with keratoconus was enrolled in the study. The 500-kHz VisuMax femtosecond laser (Carl Zeiss Meditec AG, Jena, Germany) was used to create a vertical side cut on donor and recipient corneas. Intraoperative and postoperative complications, uncorrected visual acuity, best-corrected visual acuity, corneal curvature, and central corneal thickness were evaluated in all patients. RESULTS:Big-bubble and naked Descemet's membrane (DM) were successfully achieved in twenty eyes (90.9%). Intraoperative macroperforation of DM occurred in two cases and converted to full-thickness keratoplasty. The mean follow-up time was 18.8 ± 5.3 months. The best-corrected visual acuity was increased from 0.3 to 1.0, mean corneal curvature was 43.0 ± 2.3D, and mean central corneal thickness was 508.9 ± 60.1 μm (range, from 430 to 600 μm) postoperatively. CONCLUSION:Our results indicate that femtosecond laser-assisted DALK with big-bubble technique is an accurate, safe, and effective method to treat the patients with keratoconus.

journal_name

Indian J Ophthalmol

authors

Lu Y,Chen X,Yang L,Xue C,Huang Z

doi

10.4103/0301-4738.194326

subject

Has Abstract

pub_date

2016-09-01 00:00:00

pages

639-642

issue

9

eissn

0301-4738

issn

1998-3689

pii

IndianJOphthalmol_2016_64_9_639_194326

journal_volume

64

pub_type

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