Summary: The role of catecholamine (CA) in the pathogenesis and development of macular edema of central serous chorioretinopathy (CSC) was studied, and its relations with visual acuity were investigated. Plasma concentrations of epinephrine (E) and norepinephrine (NE) were determined in 30 consecutive eyes with CSC. Central macular thickness analysis was done by RTA and all the data were compared with normal eyes and analyzed with SAS software package. Plasma concentrations of E and NE were increased to (569±123) ng/L and (721±104) ng/L respectively in active CSC patients, significantly higher than those in normal subjects (P<0.01), and decreased to normal in convalescent stage. RTA analysis revealed that the retinal thickness of CSC patients was increased at active and recovery stage as compared with normal subiects; and the plasma concentration of E was significantly correlated with central macular thickness (t = 2. 173, P<0. 05). Also, central macular thickness measured by RTA was significantly correlated with the visual acuity (r =-0.8046, P<0. 001) in CSC eyes, RTA analysis might be useful to quantitatively detect and evaluate prognosis in CSC patients. The plasma concentration of E, which was highly correlated with macular edema, might play an important role in the early damage and the pathogenesis of CSC.

完成机构：[1]DepartmentofOphthalmology,TongjiHospilal,TongjiMedicalCollege,HuazhongUniversityofScienceandTechnolo-gy,Wuhan430030 [2]DepartmentofNeurobiology,TongjiMedicalCollege,HuazhongUniversityofScienceandTechnology,Wuhan430030

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