Posterior gas release with femtosecond intrastromal arcuate incision.


With their micron-level accuracy and increasing availability, femtosecond lasers offer the prospect of improved corneal incisions, including femtosecond astigmatic keratotomy (AK) and intrastromal arcuate incisions for the correction of corneal astigmatism. To date, limbal relaxing incisions have served surgeons and patients well but they have the capacity for improved outcomes. The laser’s potential for greater accuracy and reproducibility intuitively addresses weaknesses of traditional bladed keratotomy. Femtosecond AK presumably offers less subjective and more precise wound placement, an easily customized treatment for each patient, and consistency of both incision depth and wound-bed architecture. The peer-reviewed literature demonstrates successful use of femtosecondAK for the treatment of astigmatism after penetrating keratoplasty. One case has been reported of a Seidel-positive microperforation with an anterior chamber gas bubble present at the

DOI: 10.1016/j.jcrs.2012.12.005

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@article{Newsom2013PosteriorGR, title={Posterior gas release with femtosecond intrastromal arcuate incision.}, author={T Hunter Newsom and Homer Humble}, journal={Journal of cataract and refractive surgery}, year={2013}, volume={39 2}, pages={295-7} }