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Laura Guccione, Luigi Mosca, Emanuela Filomena Legrottaglie, Luca Mosca, Monica Riso, Alessandra Casucci, Emilio Balestrazzi; Customized Therapeutic Ablation With A 1000 Hz Excimer Laser After Corneal Surgery. Invest. Ophthalmol. Vis. Sci. 2011;52(14):5752.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate effectiveness of customized 1000Hz excimer laser ablation in post surgical corneal complications.
7 eyes of 6 patients (3M, 3F; mean age: 36.3yrs +/- 10.2SD) with postsurgical refractive errors, stromal opacity, and surface irregularity (1 post DALK, 1 post LASIK, 4 post PRK, 1 post PTK) were submitted to customized transepithelial corneal ablation with a ultrafast 1000HZ excimer laser (iRES, IVIS technologies, Taranto, Italy). The surgical treatment has been planned on topographic elevation maps with a CIPTA software (Corneal Interactive Programmed Topographic Ablation) to correct irregular astigmatism in 2 eyes (1 post DALK and 1 post LASIK), to enlarge optical zone in 3 eyes (post PRK), to correct high hyperopic refractive error in 1 eye (post PTK performed for corneal leucoma), to correct astigmatic error in 1 eye (post PRK). Surgery was performed under topical anesthesia with Ossibuprocaina 1% once, one minute before laser treatment, to avoid epithelial edema. All patient were submitted to complete ophthalmological examination, UCVA and BSCVA assessment, preoperative corneal evaluation with a high definition corneal tomography (Precisio, IVIS Technologies, Taranto, Italy), and to pupil examination with a dynamic computerized pupil meter (IVIS Technologies, Taranto, Italy). During follow-up all patients were valuated after epithelial healing after 7days, 1, 3 and 6 months postoperatively.
All eyes evidenced, after complete epithelial healing, a progressive increasing in UCVA and BSCVA, quite stable three months after surgery. There were no significative postoperative complications in any case.
CIPTA software allows a customized correction of different complications after corneal surgery with good visual rehabilitation.
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