中心性浆液性脉络膜视网膜病变的黄斑光敏感度近期观察

The short-term investigation of macular light sensitivity in patients with central serous chorioretinopathy

目的探讨黄斑光敏感度在中心性浆液性脉络膜视网膜病变病程中的近期变化。方法对正常人20例20眼和中心性浆液性脉络膜视网膜病变患者57例61眼初诊时及治疗后用Humphrey750型自动视野仪行黄斑光阈值测定,结果以dB值表示。根据初诊时及治疗后患者的眼底情况将病例分为轻中重三个层次进行统计学分析：①A组：就诊时黄斑部浆液性渗出范围在0.5～1PD之间,研究结束时渗出完全吸收,计18例20眼;②B组：就诊时黄斑部浆液性渗出范围在1～2PD之间,研究结束时渗出吸收超过50%,计22例24眼;③C组：就诊时黄斑部浆液性渗出范围在1.5～3PD之间,研究结束时渗出吸收低于50%,计17例17眼。结果中心性浆液性脉络膜视网膜病变患者黄斑光敏感度下降,治疗后视力上升,同时黄斑光敏感度均有不同程度的提高。光敏感度变化与视力呈正相关。结论黄斑光敏感度检查可定量地追踪中心性浆液性脉络膜视网膜病变患者的视功能变化,并可作为预后判定的可靠指标。

Objective To investigate the short-term change of macular light sensitivity during the course of central serous chorioretinopathy（CSC）. Method To measure macular light sensitivity in 20 normal control cases and 57 patients （61 eyes） with central serous chorioretinopathy. Patients are divided into 3 layers according to the quantity of subretinal liquid： LayerA, 18 cases 20 eyes, the diameter of macular serous exuda- tion between 0.5-1 PD; Layer B, 22 cases 24 eyes, the diameter of macular serous exudation between 1-2 PD; Layer C, 17 cases 17 eyes, the diameter of macular serous exudation between 1.5-3 PD. Result macular light sensitivity decrease in patients with central serous chorioretinopathy, and increase after treatment while subretinal liquid is absorbed. Conclusion macular light sensitivity can trace the change of visual function quantificationally in patients with central serous chorioretinopathy, and can be used as a reliable index to estimate prognosis.