What is a cataract?  A cataract is an opacity or cloudiness of the natural lens of the eye.  The lens is located behind the iris, or colored part of the eye and is one of the many refractive structures in the eye that contribute to the power of the eye and thus to overall vision.  The lens of the eye also changes shape to help view near objects. What symptoms do cataracts cause? Symptoms may include: Blurred vision Cloudy vision …
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