Your eyeballs are 3.5% water. This may seem like a small percentage, but water plays a crucial role in maintaining the health and function of your eyes. The cornea, which is the transparent outer layer of the eye, is made up of 78% water. Without enough hydration, the cornea can become dry and irritated, leading to discomfort and vision problems. Ensuring that you stay properly hydrated is essential for maintaining good eye health. Drinking plenty of water throughout the day can help prevent dry eye syndrome and reduce the risk of other eye conditions. In addition to drinking water, you can also keep your eyes hydrated by using lubricating eye drops and taking breaks from screens to reduce eye strain. Incorporating foods that are high in water content, such as cucumbers, watermelon, and oranges, can also help keep your eyes hydrated. These fruits and vegetables not only provide hydration but also contain vitamins and antioxidants that are beneficial for eye health. In addition to water, there are other factors that can impact the hydration of your eyes. Environmental factors, such as dry air and exposure to smoke or wind, can contribute to dry eyes. Using a humidifier in your home, wearing sunglasses outdoors, and avoiding smoke can help protect your eyes from becoming dry and irritated. If you are experiencing persistent dryness or irritation in your eyes, it is important to see an eye care professional. They can help determine the underlying cause of your symptoms and recommend the best treatment options. In some cases, prescription eye drops or other medical interventions may be necessary to alleviate dry eye symptoms. Taking care of your eyes and ensuring they stay properly hydrated is essential for maintaining good vision and overall eye health. By staying hydrated, eating a balanced diet, and protecting your eyes from environmental factors, you can help keep your eyes healthy and functioning at their best. For more information on eye health and hydration, visit [www.aoa.org/healthy-eyes/eye-and-vision-conditions/dry-eye](www.aoa.org/healthy-eyes/eye-and-vision-conditions/dry-eye) and [www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/dry-eye](www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/dry-eye).

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