Cataract

In the normal eye the lens inside is clear and transparent, but when cataract develops it becomes cloudy and opaque. So the light is not focused on the retina through lens which leads to blurring of vision.

A cataract is essentially a condition in which the lens of the eyes gets clouded creating diminished vision. Cataracts occur because protein builds up in the lens of the eye and it is common among old-aged adults, however, it could occur in young adults and children as well. Cataracts cause the eyes to look foggy, clouded and milky in appearance.

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Causes Of Cataract

The most common cause of cataract is degenerative differences due to the ageing process. With age, proteins in the natural lens reduce, resulting in a clouded lens called a cataract.

Health diseases like diabetes, kidney disease, glaucoma, smoking, eye injuries, infection, and swelling inside the eye.

Prolonged use of some medications can also point to cataract development.

A cataract may also happen in children due to genetic or metabolic defect or due to infection and trauma.

What are the Symptoms of Cataract ?

As mentioned, it is related. Blurred vision worsens with time. Some complains about dimness in eye and brightness in the other eye. Printed images may seem distorted. Glaring effect may be experienced. However, Cataract never causes pain, itching or redness.

Can Cataract be prevented ?

No, till date no preventive measure is found for the Cataract. It is an age related changes. No drugs, diets or medicine can delay or cure the Cataract. However, Wearing a sunglass that blocks the UV rays can slow down the process of development of Cataract.

How Cataract is treated ?

Surgery is the only way to remove the Cataract.

What exactly done in Cataract Surgery?

Under an operating microscope and with Phaco-emulsification machine a small cut is made in the eye and cloudy lens is removed and plastic Intra-ocular Lens is placed in place of natural lens.

Will Surgery improve the vision ?

Over 95% of Cataract surgery will improve the vision. While pre-existing associated condition like glaucoma, diabetes, retinal condition etc may limit the vision even after surgery. Yet, Cataract surgery may still be worthwhile and necessary.