Understanding the overview of cataracts- the clouded lenses

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Cataracts
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Cataracts

• A cataract is a clouding of the lens in the eye
  that affects vision. For people who have
  cataracts, seeing through cloudy lenses is a bit
  like looking through a frosty or fogged-up
  window. Clouded vision caused by cataracts can
  make it more difficult to read, drive a car,
  especially at night. Most cataracts develop
  slowly and dont disturb your eyesight early on.
  It is commonly seen in older people because
  cataracts will eventually interfere with the
  vision overtime.

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Causes of cataracts- the cloud lenses

• Mostly, cataracts develop when aging or injury
  changes the tissue that makes up your eyes lens.
  Some cataracts are because of inherited genetic
  disorders that may lead to other health
  conditions and increase your risk of cataracts.
  Cataracts may also be result of various eye
  conditions, medical conditions like diabetes,
  trauma or previous eye surgery. Long term use of
  steroid medications may also contribute to
  cataracts.

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Diagnoses of cataracts- the cloud lenses

• Cataract is diagnosed through a comprehensive
  eye examination that includes 
• Visual acuity test This eye chart test measures
  how well you see at various distances.
• Dilated eye exam Drops are placed in your eyes
  to widen the pupils. Your ophthalmologist uses a
  magnifying lens to examine your retina and optic
  nerve for signs of damage and other eye problems.
• Tonometry Numbing drops may be applied to your
  eye to check the pressure inside the eye.

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Symptoms

• Signs and symptoms of cataracts include the
  following 
• Clouded, blurred or dim vision
• Increasing difficulty with vision at night
• Sensitivity to light and glare
• Regular changes in eyeglass or contact lens
  prescription
• Fading or yellowing of colours
• Double vision in a single eye
• Initially, the cloudiness in your vision caused
  by a cataract may affect only a small part of the
  eyes lens and you may not be aware of any vision
  loss. As the cataract develops more, it covers
  major portion of your lens and distorts the light
  passing through the lens.

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Treatments

• The symptoms of early cataract may be rectified
  with new eyeglasses, brighter lighting,
  anti-glare sunglasses, or magnifying lenses. If
  these measures fail to respond, surgery is the
  only option. It involves removing the cloudy lens
  and replacing it with an artificial lens.An eye
  specialist suggests surgery to treat
  cataract only when vision loss interferes with
  your everyday activities, such as driving,
  reading, or watching TV. You do not have to rush
  into surgery because delaying cataract surgery
  will not cause long-term damage to your eye or
  make the surgery more difficult. You and your eye
  specialist can make this decision
  together. Sometimes a cataract should be removed
  if it prevents examination or treatment of
  another eye problem, such as age-related macular
  degeneration or diabetic retinopathy. If your eye
  doctor finds a cataract, you may not need
  cataract surgery for several years.

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Treatments
Continue

• By having your vision tested regularly, you and
  your eye doctor can discuss if and when you might
  need treatment.
• Ophthalmologists  think several strategies may
  be helpful to prevent cataracts or slow the
  progression of cataracts including
• Regular eye examinations
• Quit smoking
• Reduce alcohol use
• Wear sunglasses
• Maintain a healthy weight
• Choose a healthy diet that includes plenty
  of fruits and vegetables

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