DEFINITION Cataract is a condition of the eye lens as there are white patches of cloud. This condition makes the eye affected. Cataracts can affect the eye sight and eye glare. Cataracts usually does not cause irritation or pain.
Many cases of eye cataracts develop slowly and do not interfere with your eyes at first. But when a white smudge on the lens begin to appear, then the comfort of your vision will be disturbed. Initially the light is bright and eye sight glasses can help you.
But if this is very disturbing your daily life, then surgery is a procedure that you need. The good news is the surgical removal of cataract eye procedures are safe and effective thing to do.
SYMPTOMS
Cataracts usually grow slowly and do not cause pain. In the early stages of this condition will only affect a small part of your eye's lens and probably will not affect your views. When the cataract grows larger then the white spots will begin to cover the lens of the eye and interfere with the entry of light into the eye. In the end, your eyes will be blurred and distorted.
Signs and symptoms of cataracts include:
• eye view of the vague, dim, or as a shadow or a cloud of smoke.
• It is difficult to see at night
• Sensitive to light
• There is a circle of light when looking at the light
• Requires bright light for reading or when the activity
• Frequently changing eyeglasses or contact lenses because of discomfort
• The color tends to fade or turn yellow when viewing
• dual view when looking with one eye
Cataracts do not harm your physical health until the cataract becomes severe. Severe conditions that can cause inflammation, pain and headaches.
Causes & Risk Factors
Cause
With age, decreased flexibility of the eye, with the thickness and clarity begitpula eye. The lens composed of water and protein fibers. With increasing age, composition and structure of the eye to change the fiber protein decreased. Some of the fiber protein will clot and cause stains on the lens of the eye.
There are three types of cataracts, which are:
- Nuclear. Cataracts occur middle of the lens. In the early stages there will be changes in the focus of light. For a while you will experience a vision of progress, especially in reading. But then the vision of becoming yellow and white stains on the lens terbentu. Further resources will see the vision deteriorated to brown. In the severe stage would be difficult to distinguish colors because the view will be blue or purple.
- Cortical. Cataract formation begins with the stains on the outer layer of the eye. This process will be slow. These stains can then spread to the center of the lens and disrupt the flow of light into the center of the lens. People with cataracts of this type will experience glare when looking at the light.
- Subcapsular. Cataracts of this type begins with the formation of opaque areas under the lens. Cataracts are usually formed behind the lens which is a street light to the retina of the eye. Cataracts often affect the ability to read, reducing the ability to see in bright light and cause glare or halos when looking at the light at night.
Age is not the only reason why the eye's lens changes. Some people are born with congenital cataracts or current experience of childhood. Cataracts can also result from the mother is exposed to German measles (rubella) during pregnancy. This disease can also cause metabolic disorders.
Risk factors
Risk factors that may increase the chances of developing cataracts include:
• Age
• Diabetes
• family history of cataracts
• Have experienced an injury or inflammation of the eye
• Ever had eye surgery
• The use of corticosteroids in the long term
• Exposure to excessive sunlight
• Exposure to ionizing radiation
• Smoking
Prevention
Steps you can take to reduce the chances of developing cataracts include:
• Do not smoke
• Eat a balanced diet
• Protect your eyes from sun rays
• Maintaining health in general