A cataract is the opacification of the otherwise normal lens of the eyes due to primarily the natural aging process. It develops gradually over time and the symptoms may occur at an age of around 60 years. However, cataracts may occur due to trauma or may be diagnosed at birth (congenital cataracts). Cataracts are very common and almost half of all the. . . .+
A cataract is defined as clouding of your eye's natural lens. Cataracts are the most common cause of vision loss in people over the age of 40. It is the most common cause of blindness in the world. There are as many as 22 million Americans aged 40 and older with cataract.
In order to determine whether you have a cataract or any other eye problem, your doctor will review your symptoms and medical history. He or she will perform a thorough eye examination. She may recommend certain tests such as visual acuity test, slit-lamp test, and retinal examination for the diagnosis of cataract and rule out other problems.
You develop cataract when protein builds up in the lens of your eye and makes it cloudy. There are different types of cataracts which may be caused by different factors. Common causes are genetics, trauma, age, certain medical conditions such as diabetes, use of certain medicines, and exposure to radiations.
If your vision can be corrected with glasses or contacts, your doctor will recommend them to you. If cataracts affect your daily life, you may need cataract surgery. The surgery is usually successful and you can go home the same day. The surgeon will replace your lens with an artificial one.