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All of us are born with eyes that have clear lenses. We can find the lens at the center of our eye, just behind the pupil. The lens focuses light on the retina, which lines the back of the eyes, so that the images that are formed will be clear. However, normally, the eye lens becomes blurry as time passes by. Usually, after we pass the age of 50, the lens becomes too cloudy, affecting our vision. The lens with a cloudiness that impairs vision is called a cataract. When the cataract is still small, we cannot feel its effects on the eye. But as the cataract gets bigger and thicker, it becomes more difficult to drive or read. People with cataract also experience the following:


  • Worsening of nearsightedness
  • Becoming sensitive to light and glare, especially when driving at night
  • Blurring or distortion of vision
  • Seeing off or faded colors
  • Clouding or filming of the eyes
  • Seeing double or several images
  • Frequent change in glass prescription
  • Not having clear vision at night

Much research has been completed about cataracts, but no one was able to pinpoint the cause of these changes in the eyes as we age.

By Amjad Khokhar