When tissue around the lens breakdown, they clump together clouding small area within the crystalline lens.

This leads to formation of cataract, it looks like a fogged-up window leading to blurry vision, inability to read and drive.

How will you know if you have cataract?

The following are the symptoms of cataract

  • Blurry vision
  • Double vision
  • Night blindness
  • Seeing shades around light
  • Double vision etc.


Causes of cataract include ageing, injury to the eye, genetic disorder, eye surgery, underlying disease e.g. diabetes and long-term use of steroid medication.


Types of cataract

There are four types of cataract, and they are:

1.cataract around the edges of lens (cortical cataract)

2.cataract around the centre of the lens (nuclear cataract)

3.cataract affecting the back of the lens (posterior subcapsular cataract)

4.cataract you are born with (congenital cataract)


Who are those at risk of having cataract?

You are susceptible to cataract if you are:

  • Old
  • Diabetics patient

  • Smoker
  • High blood pressure patient
  • addicted to alcohol
  • Recovering from eye surgery.


Prevention might be difficult however the following can help

1.have regular eye examination

2. Quit smoking and drinking

3. Be mindful of your weight

4. Monitor your blood pressure

5. Exercise regularly.


Related:

Myopia:causes ,types and treatment

Diabetic Retinopathy as a complications of Diabetes Mellitus


Treatment of cataract:

Major treatment of cataract is surgery and others include using eye drops, lenses and prisms

Some surgery procedures for treating cataract include:

1.phaecoemulsification: using ultrasound waves to break lenses apart

2. Extracapsular surgery:removal of cloudy part of the lens through a long incision in the cornea.

IOL (intraocular lens) is required after the surgery.

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In essence, cataract is the cloudiness of the lens which manifest as whitish substance in the eye, it is necessary to quit smoking and drinking, be mindful of what you eat as those at the risk factors.

Treatment include surgery, use of eye drops and lenses, it is important to examine the eye from time to time by visiting an optometrist.

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