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目的 :观察LASIK术前预防性氪离子激光光凝对术后视网膜稳定性的影响。方法 :LASIK术前 ,间接检眼镜检查眼底 ,对视网膜裂孔或病变大于 2PD的 658例 (688只眼 )患者行氪离子激光光凝 ,观察其视网膜稳定情况 ;对视网膜病变小于 2PD的 71 2例 (756只眼 )患者密切观察其视网膜病变的变化 ,必要时于LASIK术后补行氪离子激光。结果 :LASIK术后 6个月随诊 ,术前行氪离子激光光凝的 2 38只眼 ,术后视网膜情况稳定 ;术前视网膜病变范围小于 2PD有 2 70只眼 ,有 5只眼于LASIK术后补行氪离子激光光凝。结论 :LASIK术前 ,对视网膜裂孔或病变 >2PD的患者应行激光光凝治疗 ,而对视网膜变性 <2PD的患者可暂不行激光光凝治疗 ,密切随诊其视网膜病变情况。
Objective: To observe the effect of preventive krypton laser photocoagulation on the stability of retina after LASIK. Methods: Before LASIK, the ophthalmoscope was used to examine the fundus. Krypton laser photocoagulation was performed on 658 eyes (688 eyes) with retinal breaks or lesions greater than 2PD, and the retinal stability was observed. For 71 2 cases of retinopathy less than 2PD (756 eyes) of patients with retinal changes in close observation, if necessary, replenishment of LASIK krypton laser. Results: LASIK was performed at 6 months after operation. There were 238 eyes with krypton laser photocoagulation preoperatively and the retina was stable. The preoperative retinopathy ranged from 2 70 eyes with 2 PD and 5 with LASIK Postoperative krypton ion laser photocoagulation. CONCLUSIONS: Laser photocoagulation should be performed on patients with retinal tears or lesions> 2 PD before LASIK. However, patients with retinal degeneration less than 2 PD may be treated with laser photocoagulation for the duration of their retinopathy.