Vitamin C plays an important role in protecting eyesight. It is an antioxidant that can help remove free radicals from the eyes, thereby reducing the damage to the eyes caused by oxidative stress.
Vitamin C protects the retina from oxidative damage. When using electronic devices for long periods of time or being exposed to bright light, the eye is exposed to a large amount of blue light radiation, which causes damage to the photoreceptor cells in the retina. Vitamin C can reduce this damage because it scavenges free radicals and reduces damage to the retina from oxidative stress.
Vitamin C can promote rhodopsin synthesis. Rhodopsin is a photoreceptor cell that converts light into nerve signals that produce vision. Vitamin C is an important precursor to the amino acids and vitamin A needed for rhodopsin synthesis, so it can help maintain normal rhodopsin levels.
Vitamin C can also promote the health of blood vessels in the eyes. The blood vessels in the eye need to be kept open in order to carry nutrients and oxygen to the retina and other eye tissues. Vitamin C promotes the expansion and contraction of blood vessels, thus keeping blood vessels healthy and open.
Dietary supplements. Foods rich in vitamin C include citrus fruits, strawberries, spinach, broccoli, sweet potatoes, etc. Supplementing with vitamin C through the diet is a safe and effective method.
Vitamin C supplements. If you can't get enough vitamin C through your diet, consider using a vitamin C supplement. However, before using it, it is best to consult a doctor's advice to ensure that you choose the right dosage and type for your physical condition.
Lifestyle habits. Smoking depletes vitamin C in your body, so quitting smoking can help protect your eye health. In addition, getting enough sleep and reducing the use of electronic devices for long periods of time can also reduce eye strain and help maintain eye health.
Stay hydrated. Maintaining adequate water intake helps maintain the body's normal metabolic functions, including vitamin C synthesis and absorption.
In conclusion, vitamin C is very important for the protective effect of eyesight. For people who need to use computers or mobile phones for a long time, vitamin C supplements can be supplemented in moderation to protect their eyesight. However, it is best to consult a doctor's advice before using any supplements.