A cataract is a clouding of the lens of the eye. When clear and healthy, your eye has no problem collecting visual data. When cataracts begin to develop, they impair the eye's ability to see clearly. In the beginning, symptoms are difficult to notice. It appears sporadically, without any schedule or frequency. You'll get red eyes more and more often, and then things will be blurrier than ever. When they become more advanced, the lens will turn "milky" in color and transparency. In their most advanced stage, the risk of full blindness is high. Cataracts are the number one cause of blindness in the world.
Cataracts cause many changes in your eyes, but perhaps the most evident one is discoloration. Less severe cases manifest through yellow shades, while the most severe cases are brown. This discoloration is already a sign that the cataract is progressing further. If you don't act on it, the color will become darker, and your vision will become more impaired over time.
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