The sun's rays can be harmful to your eyes, even on cloudy days. Wearing high quality sunglasses can help protect your eyes from the sun's ultraviolet (UV) rays, which can cause cataracts, macular degeneration, and other eye diseases.
How UV rays can harm your eyes
The sun's UV rays can damage the cells in your eyes, which can lead to a number of eye diseases. Some of the most common eye diseases caused by UV rays include:
- Cataracts: Cataracts are a clouding of the lens in the eye. They can cause blurry vision, glare, and sensitivity to light.
- Macular degeneration: Macular degeneration is a disease that damages the macula, which is the part of the eye that is responsible for central vision. It can cause blurry vision, blind spots, and difficulty seeing in low light.
- Glaucoma: Glaucoma is a disease that damages the optic nerve, which is the nerve that carries images from the eye to the brain. It can cause loss of peripheral vision and blindness.
How to protect your eyes from UV rays
The best way to protect your eyes from UV rays is to wear sunglasses that block 99% to 100% of both UVA and UVB rays. Sunglasses that are labeled "UV400" block all UV rays.
It is also important to choose sunglasses that fit well and are comfortable to wear. The frames should not be too tight or too loose, and the lenses should not obstruct your vision.
You should also wear sunglasses on cloudy days, as the sun's UV rays can still penetrate the clouds.
Other ways to protect your eyes from the sun
In addition to wearing sunglasses, there are other things you can do to protect your eyes from the sun's harmful rays, such as:
- Wear a hat with a brim that shades your face and neck.
- Seek shade when possible.
- Wear sunglasses that block 99% to 100% of both UVA and UVB rays.
- Apply sunscreen to your face, neck, and ears.
- Wear protective clothing, such as long sleeves and pants.
- Limit your time in the sun, especially during the middle of the day when the sun's rays are strongest.
By following these tips, you can help protect your eyes from the sun's harmful rays and reduce your risk of developing eye diseases.