Is cataract contageous?

Answer 1

No, cataracts are not contageous.

Answer 2

A cataract is a painless, cloudy area in the lens of the eye that blocks the passage of light to the retina. The retina is the nerve layer at the back of the eye. Cataracts usually cause vision problems.

See an illustration of a cataract.

What causes cataracts?
A cataract occurs when the lens of the eye becomes cloudy. Aging and exposure to ultraviolet radiation can cause cataracts. Changes in the lens of the eye are often a normal part of the aging process and are common in older people, but they do not necessarily lead to cataracts.

Cataracts can also occur after an eye injury, as a result of eye disease, after the use of certain medications, or as a result of medical conditions such as diabetes.

Sometimes children are born with cataracts.

What are the symptoms of cataracts?
Not all cataracts affect vision. However, cataracts can cause cloudy, fuzzy, or foggy vision and glare from lamps or the sun. Driving at night may be difficult because of severe glare produced by headlights. You may need frequent changes to your eyeglasses prescription, and you may experience double vision in one eye or second sight, a temporary improvement in near vision in farsighted people.

How are cataracts diagnosed?
Cataracts are diagnosed with a physical exam and medical history. Further testing may be used to confirm the presence of a cataract or rule out other conditions that may be affecting vision.

How are cataracts treated?
Surgery is the only effective means of treating vision loss caused by cataracts.

Whether or not you need to have cataract surgery depends on the degree to which the cataract interferes with your daily activities. Surgery is almost always by choice (elective) and can be scheduled when it is convenient.

Cataracts in older adults do not always need to be removed. The vision loss that results from cataracts often develops slowly and may never become severe. Many people with cataracts adapt very well with the help of eyeglasses, contacts, and other vision aids and are able to avoid or delay surgery.

Answer 3

No, it isn't like the flu. Thats like asking if birthmarks are contageous. They don't happen because of a virus or bacteria. Cataracts are caused by genes, UV rays, etc.

Answer 4

NOT AT ALL!

Cataract is a disorder due to progressive CLOUDING of the lens of the eye or in its envelope. It is usually due to the denaturation of LENS PROTEINS developing into an OPAQUE material.

No infectious organism is involved thus transmission from one person to another is NOT possible, so to say it is NOT CONTAGIOUS. (Eye infections can be a predisposing factor in its development though.)

Cataracts can also develop due to many factors such as chronic exposure to ultraviolet rays or radiation, as secondary effects of diseases (such as diabetes),and advanced age,eye injury or physical trauma and can be due to some genetic factors.

Answer 5

no. a cataract is like a scratch on the back of your eye that progressively gets worse. there's no way to catch one.

Answer 6

No they are caused by exposure intense light on repetitive basis, i.e. sunlight for years. They are easily fixed surgically and it is known to have a genetic component.

Answer 7

NO. As far as I know, it's just clouding over of the cornea (the protective layer over your eye lens). It can be operated, I think.

Answer 8

NO! It is something that develops over time.

Answer 9

Nope your fine don't worry

Answer 10

I believe not, where did you get such nonsense...