Cataracts--An Introduction




Causes of Cataracts
There are many causes of cataracts, including congenital (acquired at birth), trauma, drug toxicity and diseases such as diabetes. However, the most common types of cataracts are age-related. This natural aging process causes the lens of the eye to become cloudy and thus impairs vision. As this process progresses, glasses and contact lenses will no longer provide the clarity of vision that patients are accustomed to.

Common Cataract Symptoms
  • Blurred distance vision which is especially noticeable at night or when watching TV.
  • Difficulty reading, especially small print and in poor lighting conditions.
  • Sensitivity to glare which can cause difficulty driving into the sun, driving at night with oncoming headlights or seeing the golfball against a bright sky. These changes can occur in absense of other visual changes.
  • Night blindness due to less light getting through the lens.
  • Loss of depth perception causing the patient to bump into objects while walking or driving.
  • Loss of color vision causing objects to be washed out or have a yellow hue.

If you are experiencing any of these symptoms you should have a thorough eye exam to assess whether you have cataracts and if surgery is indicated.


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