Phototherapeutic Keratectomy Combined with Photorefractive Keratecto-my for Treatment of Myopia with

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To evaluate the effect of phototherapeutic keratectomy combined with photorefractive ker- atectomy in the treatment of myopia with corneal scars, corneal epithelium was removed with laser plus scraping. Corneal scars were removed with PTK, followed by PRK for myopia. Healon was used to make corneal surface smoother during operation. 30 eyes of 24 cases of myopia with corneal scars were followed up for one year. Mean corrected vision was 0. 51 and myopic degree was -6. 42D ±4. 26D before operation. After operation, corneal scars of 21 eyes (70. 0%) were removed in oper- ative zone. The vision of 27 operated eyes (90. 0%) was equal to or better than best corrected vi- sion. Mean postoperative visual acuity was 0. 72. Corneal surface was smoother and astigmatism was reduced after the surgery. Our study showed that PTK combined with PRK is a safe and effective treatment for myopia with corneal scars. To evaluate the effect of phototherapeutic keratectomy combined with photorefractive ker- atectomy in the treatment of myopia with corneal scars, corneal epithelium was removed with laser plus scraping. Corneal scars were removed with PTK, followed by PRK for myopia. Healon was used to make corneal 30 eyes of 24 cases of myopia with corneal scars were followed up for one year. Mean corrected vision was 0. 51 and myopic degree was -6. 42D ± 4. 26D before operation. After operation, corneal scars of The vision of 27 operated eyes (90.0%) was equal to or better than best corrected vi- sion. Mean postoperative visual acuity was 0. 72. Corneal (70.0%) were removed in oper- ative zone. surface was smoother and astigmatism was reduced after the surgery. Our study showed that PTK combined with PRK is a safe and effective treatment for myopia with corneal scars.
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