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Wearing sunglasses is important for several reasons:

1. Protection from UV rays: Sunglasses with UV protection can help protect your eyes from harmful ultraviolet (UV) rays that can cause various eye problems, including cataracts, macular degeneration, and even skin cancer around the eyes.

2. Reduced glare: Sunglasses can also reduce glare, making it easier to see in bright sunlight. This can be especially important when driving or participating in outdoor activities.

3. Better visual comfort: Squinting in bright sunlight can cause eye strain and fatigue. Wearing sunglasses can provide more visual comfort by reducing the need to squint and allowing your eyes to relax.

4. Improved contrast: Wearing sunglasses with the right tint can improve contrast and enhance color perception, which can be especially helpful when engaging in activities such as skiing, fishing, or other outdoor sports.

Overall, wearing sunglasses is a simple yet effective way to protect your eyes from the sun's harmful rays and improve your visual comfort, making it an essential accessory for anyone who spends time outdoors.