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Cataract


Cataract, Types Of Cataracts, Signs and Symptoms Of Cataract and Treatment


Clouding of the normally clear lens of the eye is known as cataract.


Cataracts are the common cause of  vision loss in people over age 40, it is the main cause of blindness in the world.

Today cataracts affect more than 22 million of Americans aged 40 or above 40. And more than 30 million Americans are expected to have cataracts by the year 2020


Types Of Cataracts :


Subcapsular Cataract

 This type of cataract occurs at the back of the lens. Diabetic patients and those people who take high doses of steroids medications are at a greater risk of developing this type of cataract.

Nuclear Cataract 

 This type of cataract forms deep in the central zone of the lens. This type of cataracts are normally associated with aging.

Cortical Cataract 

This type of cataract occurs in the lens cortex, which is the part of the lens that surrounds the central nucleus.

Signs and Symptoms Of Cataract : 


You may notice that your vision is blurred a little like looking through  cloudy piece of glass. A cataract starts out small and at first has little effect on your vision. Hazy, blurred vision my mean you have a cataract.

At day time when the sun is too bright, you might experience some problem in seeing or look at the things around you. But at night when there is darkness outside, you will experience that you can see properly. This is also a sign of cataract.


When a nuclear cataract first develops, it can bring out a temporary improvement in your eye vision which is called Second Sight'. But this vision is short lived and it will disappear as the cataract worsens. 


And a subcapsular cataract may not produce any symptoms until it is well developed.


Cataract Treatment


When symptoms of cataract begin to appear, you may be able to improve your vision for a while using eye glasses, strong bifocals or other visual aids.

But you will have to think about the surgery when your cataracts have progressed enough to seriously affect your daily life.

DO NOT WORRY - Cataract surgery is simple, quick and a painless procedure to regain vision.


Cataract surgery is very successful in restoring vision, it is the most common and frequently performed surgery in the world.

9 out of 10 people who have cataract surgery regain very good vision.
If you think you have a cataract, visit an eye doctor for an exam to find out for sure if you really have cataract or not.

Good Luck :)

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