[Excimer laser photorefractive keratectomy for myopia with thin central cornea: report of 67 cases].
D000328:Adult; D006801:Humans; D054018:Lasers, Excimer; D008875:Middle Aged; D009216:Myopia / Q000601:surgery*; D018903:Photorefractive Keratectomy / Q000009:adverse effects / Q000379:methods