Are Sunglasses Really Necessary in Winter?

When you think of sunglasses, you probably picture sunny summer days. But did you know they’re just as important in winter? The sun’s UV (ultraviolet) rays don’t take a break, and your eyes remain vulnerable all year long—even when it’s cloudy or cold.

Why Sunglasses Matter in Winter

☀️ UV exposure happens year-round – Even when the sun isn’t shining brightly, UV rays penetrate through clouds and fog.

❄️ Snow and ice increase UV exposure – They can reflect up to 80% of UV rays, doubling their intensity and increasing the risk of eye damage.

☁️ Overcast days aren’t safe – Clouds don’t block UV rays completely, meaning your eyes are still exposed.

🌬️ Cold, dry air can worsen eye irritation – Winter conditions contribute to dry eyes, but sunglasses act as a barrier against wind and moisture loss.

How UV Rays Harm Your Eyes

Prolonged UV exposure damages multiple parts of the eye, leading to serious conditions such as:

• Photokeratitis – A painful sunburn on the cornea that causes redness, pain, and temporary vision loss.
• Cataracts – Clouding of the eye’s lens, which can lead to blindness over time.
• Macular Degeneration – A condition that damages the retina, affecting central vision.
• Pinguecula & Pterygium – Growths on the conjunctiva (eye surface) that can cause irritation and vision issues.
• Skin Cancer & Premature Aging – The delicate skin around your eyes is vulnerable to wrinkles, sun spots, and even cancer from UV exposure.

The Right Sunglasses: What to Look For

Not all sunglasses provide equal protection. Here’s what to check:

✔ 100% UV Protection – Look for labels that say “100% UVA & UVB protection” or “UV400.”
✔ Quality over Darkness – Darker lenses don’t always mean better protection. UV-blocking technology is what matters.
✔ Wraparound Frames – These help reduce wind exposure and block peripheral UV rays.
✔ Check Manufacturer Labels – If there’s no label, search for the model number online to confirm UV protection.

Keep Your Eyes Healthy Year-Round

Winter or summer, protecting your eyes from UV rays is a must. Make sunglasses a daily habit to keep your vision clear and healthy for years to come.

Annual Eye Exams Are Key – Even with proper protection, natural aging can affect your vision. Regular checkups help detect issues early.

📅 Schedule Your Eye Exam Today!
Drs. Campbell, Cunningham, Taylor & Haun – Maryville (Smithview)
628 Smithview Drive
Maryville, TN 37803
(865) 584-0905