Night driving got harder this year. Headlights coming at you burst into spikes and stars. You slow down. Maybe you just stopped going out after dark.

And reading takes more lamp than it used to. Whites look a bit yellow now. Colors sit flatter than they did ten years back.

Your glasses are not the problem. The trouble sits behind the colored ring of your eye — a clear disc about the size of an aspirin. Light bends through it so the back of the eye gets a sharp picture. Over the years it fogs.

Take a look at how common that is.

The National Eye Institute: more than half of Americans have had a clouded lens, or surgery to remove one, by the age of 80.

So this is not some rare bit of bad luck. It is a slow, normal thing. And how slow it goes is partly up to you...

Even Oxford and Cambridge researchers were alarmed when they saw this:

Every person suffering from memory problems has this one disturbing thing in common…

And without intervention, it takes less than 30 days for the damage to accelerate…

Triggering more serious conditions — including early onset dementia and COMPLETE MEMORY SHUTDOWN

Top brain experts urge you to take action immediately.

If you want to find out what's really happening inside your brain — and how to stop it — you need to see this now:

==> Discover What's Damaging Your Memory And How To Stop It

The name for that disc came off a dinner plate.

In the 1690s, glass grinders in Europe were polishing small rounds of glass, curved out on both sides. They needed a word for the shape. So they looked at supper and took one. A lentil is a small disc, curved out on both sides. The Latin word for a lentil is lens.

That is the whole story of the word. Glass first, then the body: by 1719 anatomists had borrowed lens for the clear disc in the eye.

And the food kept the name. A lentil's formal plant name today is Lens culinaris — the kitchen lens. Ask for lentilles in France and you have said both things at once. The German word Linse does the same double duty.

So the piece of you that fogs up is named after a two-dollar bag of food. Not the other way around.

Most of your body swaps itself out. Skin sheds. Red blood cells last a few months. The lining of your gut turns over in days.

That disc does none of it. No blood vessel reaches inside. Nothing runs in to haul off worn parts, because there is no plumbing to run in on. And the cells at its core were laid down before you were born.

Sit with that for a second. The proteins in the middle of your eye are older than you are by a few months. They were made in the womb, and they have to last the whole trip...

Those proteins are stacked in a clear, orderly way. Light slides straight through the stack. That is why you can see.

But decades of sun, smoke and plain oxygen nick them. A nicked protein sticks to the one next to it. Clumps form. Light hits a clump and scatters instead of passing through — and scattered light is glare, haze, and a yellow cast on a white shirt.

That is a cataract. Not a film growing over the eye. The eye's own disc, clouding from the inside.

So where does food come in?

Scientists at the University of Oxford tracked 27,670 adults, all of them 40 or older, and followed what happened to their eyes. Their group had something most studies lack: a wide spread of diets under one roof — big meat eaters, small meat eaters, fish eaters, vegetarians and vegans, all counted separately.

Then they tallied who ended up in an operating room for a clouded lens...

The line ran one way. Against the biggest meat eaters, the rate fell at every rung down the ladder. Eat a little less meat and it dropped about 15%. Swap the meat for fish, about 20%. Drop both and the gap reached roughly 30%. Vegans came in lowest of all, though few of them were in the count, so hold that last one loosely.

Here's the honest part. This was watching, not testing. Nobody handed anyone a diet. People who eat this way often smoke less and see a doctor more, and the team could not strip all of that out. So it shows a link, not a promise.

But the shape of it is worth your time. The Oxford group found the pattern tracked the whole plate better than any single nutrient they measured. No one vitamin carried it.

Lentils cure nothing. Let's be plain about that. No food clears a clouded lens, and no pill does it either. Surgery does, it takes about ten minutes, and it works well for most people.

What food can do is fill the plate. That is the lever those numbers point at — fewer animal foods, more plants, over years rather than weeks.

And lentils are the cheapest way to pull that off. A bag runs about two dollars a pound. They want no soaking. Brown ones go from dry to done in 20 minutes, about the time it takes to set the table.

One cooked cup carries roughly 18 grams of protein and 15 grams of fiber. That is enough to make a meal feel like a meal, which is the entire trick. Most people don't eat less meat because somebody told them to. They eat less of it when something else on the plate fills them up.

Cooks have known this for a very long time. Lentils fed people around the Mediterranean and across India for thousands of years, long before anyone sat at a wheel grinding glass and went looking for a name.

Brown and green lentils hold their shape and take about 20 minutes. Red ones melt into a thick soup in 15 — lovely in a bowl, useless as a side dish. Buy plain dried in a bag. Skip the seasoned boxes, where salt is most of what you're paying for.

Sunlight is one of the few risks here you can act on today. Look for a tag that says 100% UVA and UVB, or UV400. A $12 pair with that tag beats a $200 pair without it. Wear them on bright grey days too — the light that reaches you doesn't care about clouds.

Glare at night and yellowed color are worth a look from an eye doctor, not a supplement aisle. No pill has been shown to clear a lens. And if you smoke, stopping does more for your eyes than anything else on this page.

Picture those grinders again. They sat over a wheel in the 1690s, polishing glass by hand, and reached for the humblest thing on the table to name what they had made...

Nobody knew there was one of those already inside your head. The word would not cross over to the eye for another twenty-odd years.

You can't grind yourself a new one. What you can do is feed the body that carries it, and fill your plate so the meat has to share.

Put a pot of lentils on this week. Then book the exam.