摘要目的 观察视网膜分支静脉阻塞(BRVO)患眼眼轴长度(AL)、前房深度.方法 随机抽取临床检查确诊的单眼BRVO患者45例90只眼(病例组)纳入研究.其中,男性25例,女性20例,平均年龄(46.22±13.45)岁.均行视力、裂隙灯显微镜及前置镜、间接检眼镜、眼底彩色照相、荧光素眼底血管造影检查.随机选取年龄、性别匹配的健康体检者45名90只眼作为对照组.其中,男性28名,女性17名;平均年龄(48.24±15.77)岁.病例组患眼、对侧眼分别设立为BRVO组、对侧眼组;对照组左、右眼分别设立为左眼对照组、右眼对照组.采用光学相干生物测量仪测量各组受检眼AL、前房深度.各组受检眼之间AL、前房深度比较行配对两样本均数t检验.结果 BRVO组、对侧眼组受检眼平均AL分别为(22.69±0.99)、(22.78±1.24) mm;两组受检眼平均AL比较,差异无统计学意义(t=0.355,P＞0.05).右眼对照组、左眼对照组受检眼平均AL分别为(23.38±1.32)、(23.37±1.27) mm;两组受检眼平均AL比较,差异无统计学意义(t=0.017,P＞0.05).BRVO组受检眼平均AL与右眼对照组、左眼对照组比较,差异均有统计学意义(t=-2.563、-2.663,P＜0.05).BRVO组、对侧眼受检眼平均前房深度分别为(2.66±0.26)、(2.65±0.30) mm;两组受检眼平均前房深度比较,差异无统计学意义(t=0.089,P＞0.05).右眼对照组、左眼对照组受检眼平均前房深度分别为(2.56±0.29)、(2.59±0.30) mm;两组受检眼前房深度比较,差异无统计学意义(t=-0.592,P＞0.05);BRVO组受检眼平均前房深度与右眼对照组、左眼对照组比较,差异均无统计学意义(t=1.779、1.778,P＞0.05).结论 与正常对照者比较,BRVO患眼AL较短;前房深度无差异.

abstractsObjective To observe the axial length and anterior chamber depth in eyes with branch retinal vein occlusion (BRVO).Methods Randomly selected 90 eyes of forty-five patients with BRVO were enrolled in this study.There were 25 males and 20 females.The mean age was (46.22± 13.45) years.All the patients were underwent examination of visual acuity,slit-lamp microscope,indiophthalmoscope,fundus color photography and fundus fluorescence angiography (FFA).Randomly selected 45 healthy individuals for control group,including 28 males and 17 females.The mean age was (48.24± 15.77) years.The axial lengths and anterior chamber depths of affected and fellow eyes of BRVO patients and the eyes of controls were measured using IOL Master.The data were compared by the two sample paired t test.Results The mean axial length of the affected eyes in the BRVO group was (22.69±0.99) mm,and that of the fellow eyes group was (22.78 ± 1.24) mm.The difference in axial length between the affected eyes and fellow eyes in the BRVO group was not significant (t=0.355,P＞0.05).The mean axial length of the right eyes in the control group was (23.38 ± 1.32) mm,and that of the left eyes in the control group was (23.37± 1.27) mm.The difference in axial length between the left eyes and right eyes in the control group was not significant (t=0.017,P＞0.05),while the difference in axial length between the affected eyes in the BRVO group and the right,left eyes in the control group was significant (t=-2.563,-2.663;P＜0.05).The mean anterior chamber depth of the affected eyes in the BRVO group was (2.66±0.26) mm,and that of the fellow eyes was (2.65 ±0.30) mrn.The difference in anterior chamber depth between the affected eyes and fellow eyes in the BRVO group was not significant (t=0.089,P＞ 0.05).The mean anterior chamber depth of the right eyes in the control group was (2.56 ± 0.29) mm,and that of the left eyes was (2.59 ± 0.30) mm.The difference in anterior chamber depth between the left eyes and right eyes in the control group was not significant (t=-0.592,P＞0.05).The difference in anterior chamber depth between the affected eyes in the BRVO group and the right,left eyes in the control group was not significant (t=1.779,1.778,P＞0.05).Conclusion In the affected eyes of BRVO,the axial length is shorter and anterior chamber depth is normal.