Common causes of bad eyesight can be rooted in bad habits and lifestyle choices and also because of pre-existing medical conditions that take a toll on your eyes, such as diabetes. Genetics also plays a large role in helping you predict the onset of eyesight problems. While people may correct their vision problems by just getting a pair of glasses or contact lenses, they tend to not look at the root cause of the problem or take preventive measures to avoid it.

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Too much smartphone use: Smartphones can strain your eyesight and cause vision problems if you are using them continuously for a long time, especially if you tend to read the text in small font on your mobile phone screens a lot. Just like smartphones, prolonged exposure to laptops and other screens can also harm your eyes as the light emitted from these screens can cause dry eyes, headaches, and eye strain. Too much exposure to screens can cause blurry and unclear vision.

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Smoking: While there are many reasons why you shouldn’t smoke, for example, an increased risk of throat and lung cancer, it can also cause vision problems. Smoking cigarettes and consumption of other forms of tobacco have been linked to serious conditions like macular degeneration and cataracts that, in extreme cases, can lead to blindness.

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Lack of eye protection: While exposure to the sun is good and essential for our health, exposure to too much sunlight by not wearing sunglasses can expose your eyes to harmful UV rays. Harmful UV rays can cause vision problems and other eye-related issues. These harmful rays can cause vision problems, and also invite other eyesight issues such as macular degeneration and eye cancer.

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Frequent rubbing of eyes: The temptation of frequently rubbing your eyes should be avoided as you can damage the outer surface of your eyes, causing stinging and burning sensations and also exposing your eyes to bacteria. Rubbing of the eyes has also been linked with a weakening of the cornea, causing irreversible damage to your eyes.

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Diet: A lack of eye-friendly foods on your plate can lead to bad eyesight. Nutrients like omega-3 fatty acids, lutein, zinc, and vitamins A, C, and E might help ward off age-related vision problems like macular degeneration and cataracts. A healthy and balanced diet will also prevent diabetes, which is known to be the primary cause of blindness in adults.