How Sunglasses Protect Your Eyes

Sunglasses protect your eyes from the sun's ultraviolet (UV) rays. UV rays can damage the cornea, lens, and retina, leading to a variety of eye problems, including:

* Sunburn of the cornea (photokeratitis): This is a temporary condition that can cause pain, redness, swelling, and blurred vision.

* Cataracts: Cataracts are a clouding of the lens that can lead to blurred vision, glare, and eventually blindness. UV rays are the leading risk factor for cataracts.

* Age-related macular degeneration (AMD): AMD is a leading cause of blindness in older adults. UV rays are a risk factor for AMD.

* Retinal damage: UV rays can damage the retina, the light-sensitive tissue at the back of the eye. This can lead to vision loss.

Sunglasses can help protect your eyes from these harmful UV rays by:

* Blocking out 99% of UV rays: Most sunglasses block out at least 99% of UV rays, which is enough to protect your eyes from the sun's harmful rays.

* Protecting your eyes from the sides: The wraparound style of many sunglasses helps to protect your eyes from the sun's rays that come in from the sides.

* Reducing glare: Sunglasses can help to reduce glare, which can make it easier to see in bright conditions.

* Protecting your eyes from wind and dust: Sunglasses can help to protect your eyes from wind and dust, which can irritate your eyes.

It is important to wear sunglasses whenever you are outdoors, even on cloudy days. UV rays can penetrate clouds, so your eyes are still at risk even when the sun is not visible.

When choosing sunglasses, look for a pair that:

* Blocks out at least 99% of UV rays

* Has a wraparound style

* Reduces glare

* Protects your eyes from wind and dust

* Fits comfortably on your face

By following these tips, you can help protect your eyes from the sun's harmful UV rays and reduce your risk of developing eye problems.