Jessie佳佳酱
myopia:A visual defect in which distant objects appear blurred because their images are focused in front of the retina rather than on it; nearsightedness.Also called short sight 近视:一种视觉缺陷,由于它们的图象在视网膜前聚焦而不是在视网膜上,所以远处物体看起来模糊不清的 也作 short sight