Tired eyes from screen time? The real causes — and what actually helps

It's 5:43pm. You close your laptop and your eyes feel fried. Burning, dry, tired in a way a good night's sleep won't fix. If this sounds familiar: you're not alone. Research shows that roughly 80% of people use a digital screen for more than two hours a day, and nearly 6 in 10 of them experience tired eyes.

Why do your eyes get tired from a screen?

The most common cause isn't the light from your screen — it's how often you blink. When you stare intently at a screen, you blink up to 60% less than normal. Blinking less means less tear fluid, which feels like dry, burning eyes. On top of that: a poorly adjusted monitor, an outdated prescription, or simply too many hours without a break.

In short: "screen fatigue" is usually a combination of factors — not one single culprit.

What the science does and doesn't say about blue light

We'd rather be honest than persuasive here. Large review studies (including a widely discussed Cochrane review) find no strong evidence that blue-light-filtering lenses on their own reduce eye fatigue. Het Oogziekenhuis Rotterdam and Dutch ophthalmologists confirm: complaints like dry or tired eyes often have a different cause than blue light alone.

What that means for you: blue light glasses aren't a medical miracle cure, and we're not going to promise you one. What we do see is that people who become more deliberate about their screen time — with a physical signal to pause on — often feel less tension by the end of the day. For some that's habit, for some it's ritual. We don't promise a cure. We give you a reason to test it yourself.

5 things that demonstrably help with tired eyes

1. The 20-20-20 rule. Every 20 minutes, look at something 20 feet (6 metres) away for 20 seconds. This relaxes your eye muscles and resets your blink rate.
2. Blink deliberately. Set a reminder if you need to. More blinking = less dryness.
3. Correct screen distance and height. Top of your screen at eye level, 50-70 cm away.
4. Avoid harsh ambient light. Contrast between a bright screen and a dark room tires your eyes faster.
5. A fixed end-of-day moment. A physical signal — like taking off a pair of glasses — that tells your brain: the workday is over.

Where blue light glasses do and don't help

Blue light glasses filter part of the light spectrum, but they won't fix a badly set-up monitor or an outdated prescription. Where they can help: as a physical ritual to pause deliberately, as a visual cue for yourself and the people around you ("I'm focusing right now"), and — with clear lenses with no yellow tint — without having to compromise on how you look.

Our Forma and Opus are built exactly for that: not a medical device, but a deliberate choice for people who spend 8+ hours a day at a screen and want to properly close out their workday.

Frequently asked questions

Do blue light glasses actually work against tired eyes?

The scientific evidence is mixed — large studies find no strong direct effect. What users often report is less tension from more deliberate screen use. Think of it as a ritual, not a remedy.

What helps most against tired eyes from a screen?

The 20-20-20 rule, deliberate blinking, correct screen distance and regular breaks have the most scientific support.

Does a yellow tint help?

No — a yellow tint distorts your colour perception without demonstrably filtering more. Choose clear lenses with certified filtering, like Mirestia's.

Sources: RIVM, Het Oogziekenhuis Rotterdam, Cochrane Database of Systematic Reviews.