Excessive screen time is a growing concern, particularly for children, as it has been shown to contribute to the development and progression of myopia, or nearsightedness. Myopia occurs when the eye’s shape prevents light from focusing properly on the retina, causing distant objects to appear blurry.
While genetics play a role, prolonged screen use, especially from close distances, forces the eye’s muscles to adjust and elongate the eyeball, speeding up myopia’s development. Additionally, excessive screen exposure can cause dry eye disease by weakening the glands that keep the eyes moist.
Limiting screen time for children to under two hours daily and encouraging at least two hours of outdoor play are crucial for protecting eye health. Studies show that children who spend more time outdoors are less likely to develop myopia, with rural children having significantly lower rates of nearsightedness compared to their urban peers. Reducing screen exposure and promoting outdoor activities can help slow the progression of myopia effectively.
In addition to reducing screen time and increasing outdoor activity, eye health can be supported by getting enough sleep and consuming eye-healthy nutrients like lutein, found in foods such as dark leafy greens, eggs, and carrots. Melatonin, a hormone involved in regulating sleep, may also play a role in preventing myopia.
By promoting healthy habits, such as outdoor play, proper sleep, and a balanced diet, parents can help protect their children’s eyesight and reduce the risk of future vision problems.
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