What are Cataracts ? Its Symptoms , Causes , Diagnosis, & Treatment

What are Cataracts?

Cataracts are an eye disease in which eye becomes progressively opaque and the vision gets blurred.



If  you are above 40 and finding difficulty in your vision then you may have Cataracts. Although it can also occur in adults due to exposure towards radiation, or maybe present in a child .

According to a survey, Cataracts are responsible for blindness in  20 million people. Nearly 60% of this population belongs from Africa and South America.

Signs and Symptoms

Cataracts shows a slow growth. Although the signs depends on the type of cataract one is suffering from. There is a gradual reduction of vision and the object lacks its clarity.

Below are some of the symptoms of cataract :

  • Foggy or cloudy image formation
  • Night glare during driving.
  • Glare during the day.
  • Double vision
  • Image contrast gets lowered.


Following are some of the major factors responsible for cataract :-

  • Age :-  Age is one of the most common cause. Aging causes asymmetrical response towards crystalline eye lens. It causes lack of protein in eye lens.
  • Exposure to radiations :-  Cataracts can also associated by exposure towards harmful radiations. Ultra violet light (UV-rays) are also responsible for the increasing cases of cataract.
  • Genes :-  Cataracts may also be associated with chromosome abnormalities. 
  • Eye injuries :- Previous eye injuries are also found to be responsible for cataract in many cases.
  • Consumption of Alcohol & Smoking :- Smoking and alcohol consumption increases the risk of cataract  more than double.


Although no scientific way has been found till date to prevent cataract. However, the risk can be reduced by the following ways :

  •  By consumption of foods that are rich in vitamin E like sunflower seeds, almonds, spinach, kale, etc.
  • Antioxidants vitamins like vitamin C rich foods can be of great help.
  • Foods having Omega 3 Fatty acids in them, also reduces the risk of cataracts.
  • Wearing of sunglasses to protect from UV rays.


  • Cataract if determined initially, then can be controlled by wearing eye glasses and with eye drops.
  • If cataract has progressed, then cataract surgery is done. It has a high successful rate.

Cataract surgery is done on an outpatient basis. It means patient can go home on the same day after operation. The eye lens of the patient is replaced by a man made eye lens. The surgery takes a minimal time. Patient feels much relief and comfort after the surgery.



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