Cataract

Cataract Eye:-To understand cataract, one has to visualize that an eye behaves like a camera with a transparent lens focusing light on the reel of the eye i.e. retina. The picture so formed on the retina is then sent to the brain via a nerve to complete the process of seeing. When this lens starts becoming opaque or white, the problem is labelled cataract. The condition happens when certain proteins in the lens form into abnormal clumps. These clumps gradually enlarge and interfere with vision by distorting or blocking the passage of light through the lens. So when the lens is partially opaque, it is called an immature cataract and some light can pass through to help perform some routine functions. However, when the opacity increases to engulf the entire lens, vision is totally cut off and the cataract is called mature.

So when the lens is partially opaque, it is called an immature cataract and some light can pass through to help perform some routine functions. However, when the opacity increases to engulf the entire lens, vision is totally cut off and the cataract is called mature.

 

Symptoms Of indicating Cataract:-

 

There is a painless gradual decrease in vision. Early cataract is associated with difficulty in reading in normal light conditions, and extra illumination is required. Excessive glare and reduced sharpness can make night driving difficult. Some experience rapid changes in the number/power of glasses. In advanced cases there is the complete loss of sight and lens becomes pearly white in colour.

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