Too high astigma degree and the worse astigmatism may affect the recovery of contrast sensitivity vision .
术后患眼的散光度数过大、人工晶体眼像差增大可能是影响患眼对比敏感度视觉恢复的原因。
Contrast sensitivity
英语例句库
We tested contrast sensitivity in 14 patients (28 eyes), ranging froth 1 to 24 months after radial keratotomy.
我们测试十四位（二十八眼）接受放射状角膜切开术之病人之对比敏感度，测试时间由术后一至二十四月不等。
英语百科
Contrast (vision)
（重定向自Contrast sensitivity）
Contrast is the difference in luminance or colour that makes an object (or its representation in an image or display) distinguishable. In visual perception of the real world, contrast is determined by the difference in the color and brightness of the object and other objects within the same field of view. The human visual system is more sensitive to contrast than absolute luminance, we can perceive the world similarly regardless of the huge changes in illumination over the day or from place to place. The maximum contrast of an image is the contrast ratio or dynamic range.
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