而角膜瘢痕是导致视力降低和致盲的主要原因。
Cornal scar is the main reason to cause visual decrease or lost.
视神经的损害能导致视力下降，并有可能致盲。
Damage to the optic nerve may lead to decreased vision and possibly blindness.
推迟治疗可能会导致永久的视力损伤或者致盲。
Delaying care could lead to permanent vision loss or blindness.
但是昏暗的光线是否真的会导致永久性的视力下降呢？
但是昏暗的光线是否真的会导致永久性的视力下降呢？
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