A prospective multicenter trial of excimer laser phototherapeutic keratectomy for corneal vision loss am j ophthalmol 19961222149 160 campos m nielsen s szerenyi k garbus jj mcdonnell pj clinical follow up of phototherapeutic keratectomy for treatment of corneal opacities. Excimer laser phototherapeutic keratectomy ptk indications surgical sponges a blade or the excimer laser are used to remove the superficial corneal abnormalities the excimer laser is used to remove more irregularities smooth the cornea as needed mitomycin c mmc an anti scarring drops may also used to improve the surgical results . Excimer laser phototherapeutic keratectomy in eyes with anterior corneal dystrophies preoperative and postoperative ultrasound biomicroscopic examination and short term clinical outcomes with and without an antihyperopia treatment. Excimer laser phototherapeutic keratectomy ptk is an important tool in the management of superficial corneal pathology it works well in the treatment of anterior corneal dystrophies and
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