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目的 :观察准分子激光治疗性角膜切削术 (PTK)对角膜浅层病变的疗效。方法 :利用PTK治疗 10例 11眼角膜病患者 ,其中男 4例 4眼 ,女 6例 7眼 ,平均年龄 6 5岁 ,术后随访 18个月。其中大泡性角膜病变 4例 4眼 ,复发性胬肉致角膜云翳 2例 2眼 ,带状角膜变性 1例 2眼 ,颗粒性角膜变性 1例 1眼 ,细菌性角膜炎致角膜云翳 1例 1眼 ,复发性角膜上皮糜烂 1例 1眼。结果 :术后视力提高 2行以上者 4例 5眼 ,提高 1行者 2例 2眼。刺激症状均明显改善。结论 :PTK治疗浅层角膜病变方法简单易行、安全可靠 ,值得推广
Objective: To observe the effect of excimer laser keratectomy (PTK) on shallow corneal lesions. Methods: 10 cases of 11 cases of corneal disease were treated with PTK, including 4 males and 4 females and 6 females and 7 eyes, with an average age of 65 years. The patients were followed up for 18 months. Including 4 cases of bullous keratopathy 4 cases, 2 cases of recurrent pterygium caused by corneal clouding 2 cases, 1 case of band keratosis 1 case 2, 1 case of granular keratosis, 1 case of bacterial keratitis caused by corneal clouding 1 eye, 1 case of recurrent corneal epithelial erosion in 1 case. Results: Postoperative visual acuity improved more than 2 lines in 4 cases 5 eyes, 1 line increased in 2 cases 2 eyes. Stimulation symptoms were significantly improved. Conclusion: PTK is a simple, safe and reliable method for the treatment of superficial corneal diseases. It is worth promoting