Cataract is defined as the clouding of natural lens of the eyes, which may lies behind the iris and pupil. Cataract may mostly occur in the people age more than 40 and may also causes blindness.Cataract may occur in both eyes and will not spread from one eye to another.
Generally, when we look to something, the light ray may travel into the eyes through the pupil and it may focused through the lens into the retina.The lens of the eyes must be clear in order to focus the light properly into the retina. Cataract may be occurred, if the lens become more cloudy.
Types of Cataract:
Generally, there are 4 types of Cataract.They are:
Age related cataract: This type of cataract may develop as a result of aging.
Congenital cataract: It may be occur due to injuries, infection, and may be developed during childhood.
Secondary cataract: It may be developed as a result of other medical conditions like diabetes, or exposure to any drugs etc.
Traumatic cataract: It may be developed as a result of eye injury.
Symptoms of Cataract:
Cataract Surgery is the only effective treatment for cataract removal.It is the most frequently surgery performed in the United States.
During the Cataract Surgery, the surgeon may remove the clouded lens and replaces it with more clear and plastic intraocular lens (IOL).
If both the eyes have cataract, then the surgery will be performed in each eye at different times.
Different Types Of Cataract Surgery:
Usually, there are three types of Cataract Surgery.They are:
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