A cataract appears when the eye's lens, due to ageing, becomes cloudy, losing its transparency. This prevents focusing on objects, rendering blurry images. It is the first cause of preventable blindness in the world, affecting 8 in every 10 persons older than 75 years old.
Cataract explained in first person
In the early stages, often no treatment is needed. It’s only when the cataract affects the patient’s quality of life and we can’t find any other optical solution, that surgery might be necessary.
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