There are benefits to wearing sunglasses when running.

Eye protection, sunglasses can help protect your eyes from various elements such as dust, debris, insects and UV rays. This is especially important when running in bright sunlight.

UV Protection: Exposure to ultraviolet (UV) rays from the sun can damage your eyes. Sunglasses with UV protection can help reduce the risk of diseases like cataracts and macular degeneration.

Reduce glare: Sunglasses can minimize sun glare, which is especially beneficial when running in bright conditions. This improves visibility and reduces eye strain.

Comfort, squinting in sunlight or bright light can cause discomfort and fatigue. Sunglasses allow you to relax your facial muscles and make your run more comfortable.

When choosing sunglasses for running, look for a pair that offers UV protection, fits your face securely to prevent bounce, and has lenses that are appropriate for your running conditions (such as polarized lenses to reduce glare).