CASE REPORTS
JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
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Phototherapeutic keratectomy in corneal diseases.

We present our clinical strategy to treat corneal diseases with the excimer laser. Nine eyes with recurrent erosion after trauma, three eyes with band keratopathy, and one eye with secondary crystalline deposits and a leukoma adherens after perforating injury underwent excimer laser phototherapeutic keratectomy (PTK). The patients with recurrent erosion had at least six episodes in the 12 months, the other patients suffered from severe pain. The recurrent erosions were treated with 15 pulses (193 nm, 180 mJ/cm2, 10 Hz) after removing the epithelium. There was only one new episode within 6 months after treatment in a patient who failed to follow the postoperative therapeutic regimen. In the patients with band keratopathy we removed the calcium deposits mechanically and then used masking fluids to obtain a smooth surface. The crystalline deposits in the patient with leukoma adherens could be removed but recurred after 4 months; the patient still suffered from glare.

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