... astigmia chart, alveolate chart, cross chart, etc About the RS8129-I Near Vision Tester Specification:Chart: alphabet chart, astigmia chart, ... distance: 40cmMade in ChinaAbout our company(Wenzhou Redstar Optical Co., Ltd):1.The operating value of our company: Establishment of resplendence, ... in Europe, America, South America, and Southeast Asia, the Middle east, etc. 2012 New Near Vision Tester