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中国眼镜科技杂志编辑部: 您们好! 我是一个初入眼镜行业的新手,对《中国日艮镜科技杂志》十分热爱,她是我工作中的得力助手。我在拜读第49期中发现一个难题,即第56页的“视光答疑”中第293、294题讲的确定散光轴位之方法“凹+3”原则和《眼科视光知识》杂志第6期第9页中讲的确定散光轴位之方法“30规则”和“对称互换规则”测得的结果一样。请问“凹十3原则”和“30规则”哪种方法准确?为什么?请您们在百忙中给予回信答复。
China Optical Technology magazine Editorial Department: Hello! I am a novice entering the optical industry, the “China Sun Gen Mirror Technology Magazine” is very loving, she is my right-hand man. I found a problem in reading the 49th issue, that is, the “concave +3” principle of determining the astigmatism axis of 293,494 in the “Optometry Q & A” on page 56 and the principle of “optometry knowledge” magazine 6 The methods used to determine the axis of astigmatism on page 9 are the same for the “30 Rules” and the “Symmetry Interchange Rules”. What are the correct methods of “concave ten 3 principles” and “30 rules”? Why? Please reply in reply on your busy schedule.