Regular physical activity benefits not only the heart and brain but can also help protect vision with age.
Improved blood circulation to the eyes
Like other organs, the eyes need sufficient oxygen and nutrients to function properly. During exercise, the heart pumps blood more efficiently, increasing flow to the retina and eye tissues. This better nourishes eye cells and more effectively removes waste.
Healthy blood circulation also helps maintain retinal function – the nerve tissue responsible for receiving light and transmitting signals to the brain to form images.
Reduced risk of glaucoma
Glaucoma is a leading cause of irreversible vision loss. Studies show that moderate aerobic exercise, like brisk walking, cycling, or swimming, can help reduce intraocular pressure (IOP), thus decreasing the risk of disease progression.
However, those diagnosed with glaucoma should consult a doctor before high-intensity exercises.
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Moderate intensity walking can support eye health. *Bao Bao* |
Support for preventing macular degeneration
Age-related macular degeneration is a common cause of vision loss in older adults. Regular physical activity improves circulation, reduces inflammation, and oxidative stress – factors believed to contribute to disease progression.
Exercise cannot fully prevent macular degeneration, but combining it with a healthy diet can reduce disease risk and protect long-term vision.
Contribution to retinal protection in diabetic patients
In diabetic patients, prolonged high blood sugar can damage small retinal blood vessels, leading to diabetic retinopathy.
Regular exercise improves insulin sensitivity, helping control blood sugar, blood pressure, and weight. These factors are crucial for reducing retinal damage risk and slowing disease progression.
Reduced inflammation and oxidative stress
Chronic inflammation and oxidative stress link to many eye conditions, including cataracts and macular degeneration. Regular physical activity strengthens the body's natural antioxidant system and reduces prolonged inflammatory responses. This improves cardiovascular health and better protects eye tissues from age-related damage.
Adults should maintain at least 150 minutes of moderate exercise weekly, including brisk walking, cycling, or swimming. For contact sports or outdoor workouts, wear protective eyewear and UV-blocking sunglasses to shield eyes.
Bao Bao (Compiled)
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