TITLE

Reproducibility of Flap Thickness With IntraLase FS and Moria LSK-1 and M2 Microkeratomes

AUTHOR(S)
Talamo, Jonathan H.; Meltzer, Jeremy; Gardner, John
PUB. DATE
June 2006
SOURCE
Journal of Refractive Surgery;Jun2006, Vol. 22 Issue 6, p556
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
PURPOSE: To compare flap thickness reproducibility of the femtosecond laser and two mechanical microkeratomes. METHODS: Flap thickness for all eyes was measured as the difference between the preoperative (day of surgery) full corneal thickness and post-flap creation central stromal bed thickness using ultrasonic pachymetry. Flap thickness values produced by three different microkeratome systems were compared for accuracy and reproducibility. RESULTS: For 99 flaps created using the IntraLase FS laser with an intended thickness of 110 µm, the mean achieved thickness was 119±12 µm (range: 82 to 149 µm). In 100 eyes treated with the Moria LSK-1 microkeratome with an intended flap thickness of 160 µm, the mean achieved thickness was 130±19 µm (range: 71 to 186 µm). In 135 eyes treated with the Moria M2 microkeratome with an intended flap thickness of 130 µm, mean thickness was 142±24 µm (range: 84 to 203 µm). The standard deviation and range of corneal flap thickness created with the IntraLase FS laser was significantly smaller than either mechanical microkeratome (P<.0001). CONCLUSIONS: When compared to two commonly used mechanical microkeratomes, mean achieved flap thickness was more reproducible with the IntraLase FS laser, reducing the comparative risk of overly thick flaps
ACCESSION #
21082030

 

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