单选题“Smooth vergence指的是（）A用遮盖试验+阶梯三棱镜法测量隐斜度B用vonGraefe法测量隐斜度C用Risley棱镜测量聚散度D用阶梯三棱镜测量聚散度E以上都不是
单选题
“Smooth vergence指的是（）
A
用遮盖试验+阶梯三棱镜法测量隐斜度
B
用vonGraefe法测量隐斜度
C
用Risley棱镜测量聚散度
D
用阶梯三棱镜测量聚散度
E
以上都不是
参考解析
解析：
使用综合验光仪的Risley棱镜测量聚散力，逐渐增加棱镜度数，强迫患者动用集合来补偿移开以保持双眼视觉的能力，从而测量双眼集合能力。
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