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UV Protection for Eyes

Farm work means long hours under open sky, and sunlight affects eyes as well as skin. Protection is simple, but it has to be made for the purpose and worn consistently.

How does sunlight affect the eyes?

Ultraviolet light from the sun can irritate and damage the surface of the eye and has been linked by eye health groups to long-term problems. Glare from water, snow, bright soil and metal surfaces adds eye strain and can make it harder to see hazards.

Because the effects build up over years, they are easy to ignore. Starting early and keeping it up is the way to protect your sight.

Overcast days still carry sunlight, so protection is not only for clear days.

• Glare from soil, water and metal
• Exposure builds over years

What should I look for in sunglasses?

Check the label or tag to see what UV protection is stated, and ask an optician if you are unsure. Darkness of the lens and UV protection are not the same thing, so a dark lens with no protection can be worse than a lighter one that blocks UV. Wraparound styles help block light from the sides.

For farm work, impact resistance matters as well. Ask for sunglasses that are also rated for impact, and check the marking on the product. Ordinary fashion sunglasses are not always built for debris.

Replace sunglasses that are scratched or bent, since damaged lenses distort what you see and can add eye strain. Keep a spare pair where you work, so you do not squint through a long afternoon.

What else helps besides sunglasses?

A wide-brimmed hat or cap with a brim shades the eyes and brow and reduces glare from above. Cab windows and tinted glass can help, though glass varies, so do not assume it blocks everything.

Plan your day when you can: tasks that face the low sun at morning or evening are the hardest on the eyes. Consider the direction of rows, the timing of long hauls and where you park.

Take breaks in shade when you can, and drink water through the day. Fatigue and dry eyes make glare feel worse and can lead to mistakes with machinery and animals.

• Wide-brimmed hat or cap
• Wraparound UV-blocking sunglasses
• Tinted cab glass where available
• Planning around low sun

What about kids and teens?

Young people spend a lot of time outdoors and their eyes are still developing. They also tend to lose or leave sunglasses behind. Choose sturdy, well-fitting pairs and keep spares in the truck and barn.

Set an example. Children notice when adults wear eye protection and tend to follow along if it is normal in the family.

Teens who drive tractors, mow or work livestock outdoors need the same habits as adults. Talk about it before the season starts, and confirm youth work rules with the U.S. Department of Labor.

How do I combine sun protection with safety needs?

Some jobs need both sun protection and impact protection, such as mowing, trimming and baling. Safety glasses with tinted lenses made for outdoor work can cover both. Check the markings and the maker's information.

Do not wear tinted lenses indoors in a dim barn, or while doing tasks that need color judgment, since you may miss hazards.

If you wear prescription glasses, ask your optician about options that darken in sunlight or clip-on tinted lenses. Check that they also offer the impact protection your task needs.

What if my eyes are sore, red or sensitive to light?

Eyes that feel gritty, painful or very light-sensitive after a long day in bright light, or any change in vision, should be seen by an eye doctor. Do not wait for it to pass if it keeps coming back.

Seek urgent care for sudden vision changes, pain or injury, and call 911 in an emergency.

Report any eye problem that comes with other symptoms, such as headaches, vomiting or sudden floaters, to a doctor promptly. These can have causes unrelated to sunlight.

Where can I learn more?

Your eye doctor can advise on UV protection that suits your vision needs and your tasks. NIOSH and extension programs offer guidance for outdoor workers, and the CDC has general information on sun safety.

Schedule regular eye exams and mention how many hours you spend outdoors.

Ask your eye doctor how often to schedule exams based on your age, family history and time outdoors. Regular visits catch changes early.

Last reviewed: November 12, 2026. Written by the Farm Safety Editorial Team. See our editorial policy.