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打乒乓球防近视 造成近视的重要原因是眼睛疲劳。因为眼睛在看近处物体时,晶状体曲度增加,曲光能力增强,这样物像就落在视网膜上;而看远处物体,晶状体则不需调节。长期从事近距离工作的人由于晶状体总是处在高度调节状态,易引起视
Playing Ping Pong against Myopia An important cause of myopia is eye fatigue. Because the eye looks at the near object, the curvature of the lens increases, the ability to bend the light increases, so that the object falls on the retina, while the distant object does not need to adjust the lens. Persons who have long been engaged in close work, because the lens is always in a highly adjustable state, it is easy to cause