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Question: Why do you focus on "Axial Length" rather than just "Power/Degrees"?
Myopia Control Glasses
Answer: Power is a symptom; Axial Length is the root cause. If two children both have -3.00D, but one has an axial length of 24mm and the other 25mm, the latter faces much higher ocular risks. Think of two houses of the same height—the one with the unstable foundation is more dangerous. The ultimate goal of myopia management is to keep the axial length within a safe range (ideally under 26mm in adulthood).