title: Anterior gas breakthrough during femtosecond intrastromal astigmatic keratotomy (FISK).
authors: Vardhaman P
authors: VP
authors: Kankariya
authors: Vasilios F
authors: VF
authors: Diakonis
authors: George D
authors: GD
authors: Kymionis
authors: Sonia H
authors: SH
authors: Yoo
mesh_terms: D000368:Aged; D001251:Astigmatism / Q000601:surgery*; D003319:Corneal Stroma / Q000601:surgery*; D048988:Corneal Surgery, Laser / Q000009:adverse effects* / Q000379:methods; D019781:Corneal Topography; D006801:Humans; D007431:Intraoperative Complications; D054018:Lasers, Excimer / Q000009:adverse effects* / Q000627:therapeutic use; D008297:Male; D045423:Microbubbles; D012029:Refraction, Ocular / Q000502:physiology; D014792:Visual Acuity / Q000502:physiology