Most Canadians are diligent about protecting their skin during the sunny summer months. But UV rays from the sun don’t stop at your skin — they can be damaging to to your eyes, too.
From cataracts to painful sunburns on the surface of the eye, unprotected exposure to ultraviolet radiation can harm your vision over time.
The good news?
Most of this damage is preventable — if you know how to protect yourself.
Let’s unpack what UV rays can actually do to your eyes, bust a few common myths, and go over simple ways to keep your sight safe all year long.
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UV rays and eye damage: What’s the risk?
Ultraviolet (UV) radiation from the sun doesn’t just cause sunburn — it can also seriously harm your eyes. Long-term exposure to UV rays is linked to conditions like:
- Cataracts – Clouding of the eye’s natural lens, leading to blurry vision.
- Photokeratitis – A painful “sunburn” on the surface of your eye.
- Macular Degeneration – A leading cause of vision loss later in life.
According to Naomi Barber, Clinical Services Director at Specsavers, “Just as we wouldn’t go outside without sunscreen, we shouldn’t spend time outdoors without eye protection. UV damage is preventable — but many people don’t realize the risks until it’s too late.”
5 common myths about UV and eye protection — Debunked
According to Naomi, there are 5 big misconceptions about sun safety that can put your eyes at risk. Here’s what you need to know:
Myth #1: All sunglasses are created equal
Fact: They’re not. Only choose sunglasses labeled with 100% UV protection or UV400. That’s what shields your eyes from both UVA and UVB rays.
Myth #2: Eye colour doesn’t matter
Fact: It does. People with lighter-coloured eyes — like blue or green — have less melanin, which makes them more sensitive to light and UV exposure.
Myth #3: Kids don’t need to worry about UV damage
Fact: Children’s eyes are more vulnerable than adults’. Their lenses are clearer, which lets in more UV light — making early protection extra important.
Myth #4: UV damage doesn’t cause long-term eye disease
Fact: It absolutely can. UV exposure increases your risk of cataracts, macular degeneration, and other sight-threatening conditions over time.
Myth #5: Reflected rays aren’t a big deal
Fact: Water, sand, snow, and even pavement can reflect UV rays and intensify your exposure. That’s why wraparound sunglasses and wide-brim hats matter, especially near reflective surfaces.
How to protect your eyes this summer (and all year round)
- Wear quality sunglasses with UV400 protection — every time you go outside, even on cloudy days.
- Consider polarized lenses to reduce glare from reflective surfaces like water and pavement.
- Use wide-brimmed hats for extra shade.
- Make eye protection a habit for kids — their eyes are still developing and need extra care.
- Get regular eye exams — an optometrist can detect early signs of damage before symptoms appear.
A clear view for the future
Your eyes are just as vulnerable to sun damage as your skin — and the effects are often permanent. But with awareness and the right sun protection for your eyes, you can enjoy the sunshine without damaging your vision.
So this summer, don’t just reach for the SPF. Grab your sunglasses, too — your future self will thank you.
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