What causes Cataract?

  • March 15, 2016
  • 5 comments
  • By Admin

A cataract is an eye disorder wherein the eye’s natural lens which is behind the iris and the pupil, gets clouded. It is the most common cause for vision loss for people aged 40 years and above..

What Causes Cataracts?

Protein built up in the lens of your eyes making it cloudy cause’s cataracts. It results is a loss of vision as cataracts prevent the light from passing through the lens. On the outside of the lens, new lens cells are formed resulting in compression of the older cells in the center of the lens which forms the cataract.

Other common causes are.
  • Ageing
  • Diabetes
  • Steroids Medications
  • Trauma
Types of Cataract-

Nuclear Cataracts – they are formed in the center of the lens and become a nucleus, they become yellow and brown.
Cortical Cataracts – they are formed around the nucleus and are wedged shaped
Posterior Capsular Cataracts – They affect the back of the lens and form faster than the above two types.
Congenital Cataracts – they are not common and are present from the birth or 1styear of the baby.
Secondary Cataracts – disease or medications causes secondary cataract. Diseases that are linked with the development of cataracts include glaucoma and diabetes. Cataracts is also caused due to use of steroid prednisone and other medications.
Traumatic Cataracts – an injury to the eye develops traumatic cataracts, but it can take several years for this to happen.
Radiation Cataracts – radiation cataracts can form after a person undergoes radiation treatment for cancer.

Cataract Surgery Benefits

Cataract surgery is an uncomplicated procedure. The cloudy lens is removed and replaced with an intracular lens which is an artificial lens or IOL for clear vision. The surgery does not required an overnight stay, it is performed on an outpatient basis.

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Comments

John Smith
Mar 16,2016 at 10.30PM

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