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眼睛多少度算近视
一般来说,近视度数大于等于-0.50D(即50度)时,便可诊断为近视。不过,近视的判定并非仅依据度数,还需结合视力检查等综合评估。在医学上,当眼睛在调节放松状态下,平行光线经眼球屈光系统后聚焦在视网膜之前,导致看远处物体模糊不清,这种屈光不正状态即为 ...
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