UPDATE: Winter demand is high and stock keeps selling out.
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It's Not Your Age: Microscopic Windshield Damage Is Destroying Your Night Vision
Every winter, your ice scraper drags road grit across the glass and leaves thousands of tiny scratches. At night they turn every headlight into a halo, and most drivers blame their eyes instead.
For three winters, Robert Miller thought he was going blind.
The 68-year-old retired accountant from Chicago saw a halo around every streetlight. Oncoming headlights turned into white starbursts. He couldn't read a street sign until he was right under it, and on the drive home he held the wheel so tight his hands ached.
His eye doctor found nothing wrong. His glasses were up to date. And every winter, the halos got worse.
The night it came to a head was his granddaughter's Christmas concert. On the expressway home, the glare was so bad he couldn't read the exit sign. He missed the exit, pulled onto the shoulder and sat there with the hazards blinking.
His wife, Linda, put her hand on his arm. "Let me drive, Bob."
His granddaughter was in the back seat. Nobody said a word the rest of the way home.
He Stopped Driving After Dark
After that night, Robert didn't drive after dark anymore.
He gave up his Thursday night card game. He asked his son to drive him to evening appointments. For the rest of that winter, he did his errands before three in the afternoon so he would be home before dark.
“I felt like an old man for the first time in my life. I even picked up a brochure for an assisted living place. Just to see.”Robert Miller
First he tried everything he could think of.
He went back to the eye doctor and paid $389 for new glasses with an anti-glare coating. The halos stayed.
He ordered yellow night-driving glasses from a TV ad. They made the road darker and the halos yellow.
He asked for a cataract screening. It came back clear.
He cleaned the windshield inside and out every Saturday, bought new wiper blades and ran the car through the wash. The glass looked clean in the driveway. At night, nothing changed.
"Everyone kept telling me it was my age," Robert says. "After a while, I believed them."
The Night in the Rental Car
In February, Robert and Linda flew to Phoenix to visit her sister. He rented a car at the airport and, without thinking about it, drove to the hotel after dark.
Halfway there, he noticed he was sitting back in his seat.
“Three winters of dreading every night drive, and in this rental car I could see fine. Same eyes. Same glasses. No halos. That's when I knew the problem wasn't my eyes.”Robert Miller
When they got home, Robert drove to an auto glass shop to price a new windshield.
The installer, Dale, has replaced windshields for 31 years. He didn't write up a quote. He took a flashlight, held it flat against the glass and told Robert to look.
Under a flashlight held against the glass, the scraper marks light up.
Under the beam, the windshield lit up with thousands of fine lines, curved arcs all running the same way across the driver's side.
"That's your ice scraper," Dale said. "Every winter, every morning. Your eyes are fine. You've been sanding this glass for years."
Then he said something Robert didn't expect. "Don't let me sell you an $1,100 windshield. Keep scraping the way you do, and in three winters the new one will look just like this."
The Invisible Damage You Do Every Morning
Every stroke drags sand, salt and grit across the glass.
Every winter morning, millions of Americans grab an ice scraper and go to work on the windshield. It feels like the safe thing to do. Nobody tells you what it does to the glass.
Under the frost sits a film of road salt, sand, exhaust and grime that builds up on your windshield over months. When you scrape, the blade drags that grit across the glass like sandpaper.
Each stroke leaves fine scratches too small to see. One winter of mornings adds up to hundreds of strokes. After a few winters, under a microscope, the surface of your windshield looks like frosted glass.
Under a microscope: a windshield after a few winters of scraping. Every line is a scratch that bends light.
In daylight you hardly notice. At night, each scratch works like a tiny prism. Light from a headlight can't pass straight through anymore. It gets split and scattered into a halo, a starburst, a white glow around everything. The road film packed into those scratches scatters it even more.
2006 optometry study: A study in the journal Optometry tested drivers looking through a salt-covered windshield. Their contrast sensitivity dropped at every level tested, and their reaction times got longer.
The cruel part is who it hits hardest. The drivers who scrape every inch clear every morning, because they want to be safe, do the most damage. The more careful you are in winter, the worse your night driving gets.
Signs it's your windshield, not your eyes:
- Halos or starbursts around lights that get worse every winter
- You see better at night in a rental car or someone else's car
- It started slowly, a few years after you bought your car
- It bothers you mainly while driving, not while reading or watching TV
- Things look sharper for a while after rain, when water fills the scratches
The 15-Minute Test Before You Blame Your Eyes
- Tonight, look at a streetlight through your windshield. Notice the halo.
- Look at the same light through your side window.
- If you can, take a short drive in a friend's newer car.
If the light is sharper through the side window or the other car, it's your windshield. Your eyes are the same.
Why It Gets Worse Every Winter
The harder the frost holds, the harder you scrape.
Scratched, filmed glass gives ice more to hold on to, so the frost sticks harder. Harder frost means harder scraping. Harder scraping means more scratches. More scratches mean worse night vision, and even more ice to fight the next morning.
For most drivers it ends one of two ways. They pay for a new windshield that starts the cycle over. Or they stop driving at night.
On Sunday, November 1, the clocks go back. From the next day on, the sun goes down around five o'clock in much of the country, and most of us drive home in the dark.
The frost comes right behind it. On average, the first frost reaches Columbus, Ohio, in late October, Nashville and Atlanta by mid-November and Dallas before Thanksgiving. Every frost morning means more scraping, and every scraping session adds new scratches.
When an older driver stops driving at night, he loses the evening service at church, the grandkids' basketball games, dinner with friends and the doctor's appointment at four-thirty. When the sun sets at five, that's every evening.
“I gave up half my life because I thought my eyes were going.”Robert Miller
What Actually Fixes It
Robert asked Dale the obvious question. If a new windshield doesn't fix it, what does?
Dale told him what he puts on his own truck every fall: a two-step treatment called ClearVision.
Step one dissolves the bonded road film, the grime, salt and exhaust baked onto the glass and packed into the scratches. A regular glass cleaner can't do this. It only lifts what sits loose on top.
Step two bonds a smooth, water-repellent coating to the bare glass. It fills in the fine scratches and seals the surface, so light passes straight through again instead of scattering.
"Only both steps work," Dale told him. "Put a coating over the film and it has nothing to hold on to. Clean without sealing, and the film is back in a few weeks."
Airlines solved this problem decades ago. Cockpit windshields get a water-repellent coating so rain and ice can't get a grip on the glass. ClearVision puts the same idea into a pad you apply yourself, in about three minutes.
On treated glass, water beads up and runs off. Frost still forms on a cold night, but it has far less to hold on to. Most mornings it comes off with a light push of the scraper, so you stop grinding new scratches into the glass.
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Robert didn't expect much. He had already spent $389 on glasses and $40 on yellow lenses. "What was one more thing?" he says.
He applied it on the first mild Saturday in March, in the driveway. Wet the glass, small circles with the pad, rinse. It took him about three minutes.
That night he did something he hadn't done since the Christmas concert. He drove out to the expressway after dark, on purpose.
“For the first time in three years, no halos. No squinting. The exit signs were just signs again. It was like somebody had done laser surgery on my windshield instead of my eyes.”Robert Miller
It wasn't perfect. A pickup with those new bright white headlights still made him blink. But the starbursts were gone, and he could see the lane lines the whole way.
Through clean glass, the headlights are small sharp points again and the lane lines stay clear.
On the expressway he read the exit sign from a quarter mile out. The next Thursday, he drove himself to the card game.
Linda noticed it before he did. "He sits back in his seat again. He drives us to church on Sunday nights. It's like I got my husband back."
The assisted living brochure went in the trash. This December, he plans to drive Linda and their granddaughter to the Christmas concert himself.
And the frosty mornings that were left that March? "It still frosts over," Robert says. "But it comes off with a couple of easy passes. I'm not out there grinding at it for ten minutes anymore."
On treated glass, the frost comes off with a couple of easy passes.
GET UP TO 60% OFF →Other Drivers Say the Same Thing
If you still think it's your eyes
“I gave my keys to my son because I couldn't see at night. Used ClearVision on my windshield. Got my keys back the same week. It was never my eyes. It was my windshield.”
If you're worried about doing it yourself
“My 74-year-old father applied it himself. If he can do it, anyone can. He called me that night raving about how he could finally see the road lines in the rain.”
If you wonder how long it lasts
“Still going strong after 4 months. I drive 80 miles daily through Seattle rain. This stuff just won't quit. My windshield stays clearer than my wife's brand new car.”
If you wonder about winter mornings
“I noticed a huge difference when I come out in the morning and it's not foggy.”
Your Questions, Answered
Why hasn't my eye doctor told me this?
Your eye doctor checks your eyes, and that's the job. Nobody checks the windshield. If your eyes test fine and the halos keep getting worse every winter, the glass is the next place to look.
My windshield is old. Will it still work?
Older windshields have the most film and the most scratches, so they usually show the biggest difference. If the glass is cracked or chipped, have that repaired first.
Can I apply it in cold weather?
Do it on a dry day before freezing weather, on clean glass, while you can still rinse with a hose outside.
How long does one application last?
Up to 3 months, depending on the weather and how much you run your wipers. One application covers the darkest stretch of the winter.
Is it safe on tinted glass and on newer cars with sensors?
Yes. It's safe on tinted glass and on windshields with cameras and sensors.
What Robert Spent, and What It Costs Now
Before he found the real problem, Robert spent $389 on glasses, $40 on yellow lenses and a whole winter of nights at home. The glass shop's quote for a new windshield was $1,100, and that windshield would have ended up the same way.
ClearVision costs a fraction of one pair of glasses. Right now it's up to 60% off, with free shipping.
There's one catch. Demand jumps every fall when the first frost hits, and stock keeps selling out. If the offer below is still live, you got here in time.
Takes the road film off, fills the fine scratches and seals the glass. Up to 3 months per application.
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90-Day Money Back Guarantee
90-Day Money Back Guarantee
Try it through the frost mornings and the dark drives home. If you don't see the difference, you get a full refund.
Robert's advice to anyone who isn't sure: test it yourself. "Look at a streetlight through your windshield tonight. Then look through the side window. If there's a difference, it's not your eyes."
GET UP TO 60% OFF →Two Ways This Winter Can Go
Option 1: You keep scraping. The halos come back with the first frost, the evenings get shorter, and you stay home a little more every week.
Option 2: You treat your windshield this weekend, before the first hard freeze. The streetlight on your corner is one sharp point of light again, and you drive to dinner, to church and to the grandkids' games after dark.
"I spent three years thinking I was going blind," Robert says. "I almost gave up driving. It was my windshield the whole time."
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ON CLEARVISION TODAY
Treat your windshield before the first hard freeze, while you can still rinse it off outside.
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P.S. Robert still drives himself to the Thursday card game. He tells everyone at the table the same thing: before you accept that your eyes are going, look at a streetlight through your side window.