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A cataract is a clouding of the natural lens behind the iris and pupil of the eye. Cataracts normally damage both eyes, although they might also affect just one. The majority of cataracts develop as people age, usually beyond the age of 40. Cataracts are the most prevalent cause of vision loss in people all over the world, but they can be treated.
The proteins that make up the natural lens of the eye might clump together as we become older. The cloudiness is caused by these aggregates, which are called cataracts. They can become larger and cloud more of the lens over time, making it difficult to see.
The lens inside the eye is similar to a camera lens in that it focuses light onto the retina for clear vision. It also changes the focus of the eye, allowing us to view things up close and far away. The majority of the lens of the eye is made up of water and protein. The protein is organized in such a way that the lens remains clear and allows light to pass through.
Nobody understands why the lens of the eye changes with age, causing cataracts. Researchers from all over the world have discovered elements that may be linked to the development of cataracts. Aside from getting older, there are a number of other causes that might cause cataracts:
Cataracts may be caused by oxidative alterations in the human lens, according to one idea. Antioxidant-rich fruits and vegetables have been demonstrated in studies to help prevent some types of cataracts.
A cataract begins small and has minimal impact on your eyesight at first. It can take months or even years for visual signs to manifest. You might notice that your eyesight is a little hazy, as if you’re gazing through a clouded window. Cataracts can develop at different rates in each eye, causing visual problems in one eye while maintaining normal vision in the other. With cataracts, you may also have the following symptoms:
The type of cataract you have will influence which symptoms you have and how quickly they appear. If you suspect you have a cataract, schedule an appointment with an eye doctor for an examination.
There are many different forms of cataracts, but a handful are far more frequent than others.
When symptoms first emerge, you may be able to temporarily improve your vision by using:
There is currently no way to prevent cataracts from occurring. However, limiting some of the risk factors indicated above may help to halt their progression. There are a variety of ways to reduce cataract risk factors, including: