Astigmatism: distortedvision resulting from an irregularly curved cornea, the clear covering of the eyeball.
散光：因角膜(覆盖眼球的一层透明膜)不规则弯曲而引起的影象变形。
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Myopia in Bangladesh is now in its fourth decade - and sadly, this distortedvision has clothed itself with self-righteousness for justifying actions, no mattes how flawed they might be.
Possible signs of AMD include a loss of central vision, seeing a dark spot in the center of the field of vision, distorted or blurred vision, and wavy vertical lines.