What is the power of a healthy eye?
Answers
Explanation:
20/20 means normal vision,” says Comprehensive Ophthalmologist, Leon Gross. ... So if you're 20 feet away and you're seeing what a normal person sees, that's 20/20.” The first number never changes because people are always examined by a Snellen Eye Chart from 20 feet away.
Answer:
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Explanation:
eyes and good vision:
Protect your eyes from short-wavelength visible light. Most digital devices and newer LED and fluorescent lights emit more wavelengths near the shorter, or bluer, part of the spectrum. High and continual exposure to these wavelengths can cause slow damage to the retina, which may result in problems like age-related macular degeneration later in life. Special glasses and lens coatings are available to block short-wavelength visible light.
Protect your eyes from the sun. The sun emits harmful ultraviolet (UV) rays that can damage your eyes over the long term. Choose sunglasses with UV-A and UV-B protection with adequate coverage. Additionally, use sunscreen around the delicate skin around your eyes, and wear a hat or visor in addition to sunglasses to improve protection.
Don't smoke. Smoking exposes your eyes to high levels of noxious chemicals and increases the risk for developing age-related macular degeneration (AMD) and cataracts.
Eat a balanced diet. As part of a healthful diet, eat five servings of fruits and vegetables each day. Choose foods rich in antioxidants, like leafy, green vegetables and fish.
Get regular exercise. Exercise improves blood circulation, increases oxygen levels to the eyes and helps remove toxins.
Get an eye examination annually. Although vision generally remains stable during these years, problems may develop without any obvious signs or symptoms. The best way to protect your vision is through regularly