LASEK kalma ce ta likitanci da ke nufin wani nau'in tiyatar ido da ake amfani da shi don gyara matsalolin hangen nesa. Yana nufin "Laser Epithelial Keratomileusis" kuma ya haɗa da sake fasalin cornea na ido ta hanyar amfani da Laser don gyara kusa da hangen nesa, hangen nesa, da astigmatism.A lokacin aikin LASEK, likitan fiɗa yana amfani da kayan aiki na musamman don sassauta bakin ciki. Layer na cornea da ake kira epithelium. Sa'an nan, ana amfani da Laser don sake fasalin cornea ta hanyar cire ɗan ƙaramin abu. A ƙarshe, epithelium ya koma kan ido, inda ta dabi'a ya manne ba tare da buƙatar sutura ba. a lokacin hanya. Wannan na iya haifar da ɗan gajeren lokacin murmurewa da rashin jin daɗi ga majiyyaci.