What is Cataract and Cataract Treatment
What is Cataract and Cataract Treatment
When cataract occurs, clouds the lens of the eye which reduces vision. A properly functioning lens captures the light and sends it so that an image is formed in the brains. But if the incoming light is cloudy, the picture is not clear.
Usually cataracts are found only on a small portion of the lens. Only when the cataract grows, it can cause problems and there is a treatment. It is however not excluded that both eyes can develop cataracts separately.
Cataract is not a film that is going places on your eye, but a condition in the lens itself. This condition often worsens over several years. It is never certain that you completely blind by the disease.
Cataracts are an eye condition where the lens becomes cloudy. The disease mainly affects people over 65.
Causes
To understand how cataract occurs, you can view the best thing for you as a camera. Along the front light rays reaching the eye. Passing through the cornea, the pupil and the aqueous humor, the transparent liquid in front of the eye. The lens bends the rays to the objects projected onto the retina at the back of the eye.
Cataract patients have too much protein in their coat stacked. Proteins that are normally out such that the lens is fully transparent. In a patient with cataracts, however, collect broken pieces of protein in the lens.
Types of Cataract
As a result, the light does not penetrate enough and can be a big part of your vision loss.
There are several types of cataract, all of which have other causes. In most cases the senile cataract, which is a normal consequence of aging, is. More than half of people aged over 65 have cataracts.
Rare congenital cataracts, glaucoma and congenital abnormality. If prior to birth had an infection, the newborn already suffering from cataract.
Secondary cataract is a result of a condition such as diabetes, the use of certain drugs, and prolonged exposure to toxins, ultraviolet light or radiation. Traumatic cataract finally, due to an eye injury.
Symptoms
Blurred, blurred vision, especially distance vision so limited.
Double vision, especially after dark or in bright sunlight
Difficulty in distinguishing colors (especially yellow)
Depending on what type of cataract, the disease can progress rapidly. In most cases the other eye is also affected, but that does not mean the disease is evolving quickly in both eyes.
Treatment
The ophthalmologist can diagnose. He will decline an eye test to know how much you can still see. If your vision is good enough, you can temporarily make do with glasses or contact lenses.
Cataracts can not be cured. If a patient wants to see it, he must undergo surgery. The hazy lens is replaced with a new plastic lens.
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