SAFEBLUE Guides & deep dives
Honest guides on blue light, screens and filtering glasses: what the research says and how to choose, without inflated promises.
4K Monitors and Blue Light: The Resolution Myth, Busted
4K emits no more blue light than Full HD: panel, backlight, nits and settings are what count. A practical guide to settings, software filters and glasses.
Best blue light glasses 2026: an honest market guide
An honest overview of the best blue light glasses in 2026: clear, amber and orange lenses compared, objective criteria and serious brands.
Blue light and sleep: melatonin, circadian rhythm, data
Blue light and sleep: what studies say about melatonin and the circadian rhythm, the effect of evening light and why glasses are not a promise of sleep.
Blue light glasses for children: the honest guide
Blue light glasses for children have limited evidence. The real priorities per the WHO and paediatricians: outdoor time, breaks and screen-time limits.
Blue Light Glasses Price: Real Market Tiers in 2026
What blue light glasses actually cost: €10-20 on marketplaces, €30-60 mid-range, €70-100+ premium. What you really pay for, and the low-cost traps.
Blue light glasses: prescription or not? All the options
You wear prescription glasses and want a blue light filter? Contacts plus plano lenses, clip-ons or filtered prescription lenses: costs and trade-offs compared.
Digital eye strain symptoms from screens: the guide
Digital eye strain symptoms from screens: how to recognise them, why they happen, the 20-20-20 rule and its limits, and when to see an eye doctor.
Do blue light glasses work? What the research says
Do blue light filtering glasses work? The honest answer: what the research says, what is debated and when they make sense. No inflated promises.
Do orange lenses make everything look orange?
Yes, there's a warm cast. But your visual system adapts: when you stop noticing it, when it stays a problem and when it doesn't. The honest answer.
Effects of blue light on the eyes: what is documented
Effects of blue light on the eyes: what the research says and what it does not, acute and chronic exposure, screen complaints. A careful guide, no alarmism.
Glasses for computer headaches: what the research says
Headaches in front of a screen? What studies measured on photophobia and FL-41 tinted lenses, and why the first step is always a doctor.
Glasses for Designers: When (Not) to Use an Orange Lens
Glasses for designers: why an orange lens has no place in colour work, when it makes sense anyway, and the serious alternatives: a calibrated monitor and D65.
Glasses for Programmers: A Guide to Visual Comfort
Glasses for programmers with an orange lens: dark mode, 2-3 monitors, late code reviews. Setting up your desk, the real limits, and when you don't need them.
Glasses for Remote Work: Visual Comfort Working from Home
Remote-work glasses with an orange lens: the home desk, back-to-back calls, evenings with no boundary. Visual ergonomics and where the filter fits at night.
Glasses for Traders: Multi-Monitor, Candles & US Sessions
Orange-lens glasses for traders: 4-6 monitors, red/green candles still readable but altered, evening sessions on the US markets. An honest guide.
How Much Do Blue Light Glasses Cost? Budget and Real Cost
Beyond the list price: cost per hour of use, comparison with other desk spending, and a realistic budget for anyone at a screen 8 hours a day.
How to Choose Blue Light Glasses: Criteria and Data to Ask For
Blocking percentages per nm range, CR-39 or polycarbonate, visible transmission, CE and UV400: the concrete criteria for choosing blue light glasses.
How to Test Blue Light Glasses: Do They Really Filter?
Blue pen, spectrophotometer, RGB screen: the reliable tests and the misleading ones for checking how much your blue light glasses really filter.
iPhone and Blue Light: Night Shift and True Tone Tested
What Night Shift, True Tone and dark mode really do about the iPhone's blue light, why the 30 cm distance matters and when glasses help.
MacBook and Blue Light: XDR Display, Night Shift, f.lux
Liquid Retina XDR, mini-LED and blue light: what Night Shift, True Tone and f.lux really do on macOS and how to set up the Mac for evening work.
Monitor types and blue light: LCD, OLED, mini-LED compared
How much blue light do LCD, OLED, mini-LED and e-ink emit? Spectral peaks, low blue light modes and TÜV Rheinland and Eyesafe certifications, explained well.
Night Mode vs Glasses: What Actually Filters?
Night Shift, Night Light and f.lux shift the white balance; glasses filter the whole field of vision. Measurements, limits and how to combine them.
OLED vs LCD: Which Emits More Blue Light?
Emission spectra, the LED backlight's blue peak, the role of brightness and colour temperature: the technical OLED vs LCD comparison, PWM included.
Orange vs Clear Lens: The Real Differences
Transmission spectra, blocking percentages and colour rendering: the technical comparison between orange and clear lenses, to work out which suits you.
PC Gaming Glasses: Orange Lenses for Late-Night Sessions
Gaming glasses with an orange lens: what really changes for HDR, contrast and in-game colour, and when a lighter lens makes more sense. An honest guide.
Prescription blue light glasses: the honest guide
Got a prescription and want a blue light filter? Filters built into prescription lenses, the questions to ask your optician, and why SAFEBLUE is plano only.
Studying at the PC for Hours: A Method for Students
Breaks with 20-20-20, lighting, posture, library vs bedroom: how to study at the PC for hours with more visual comfort, and where glasses fit in.
Watching TV Shows at Night: Eyes, Settings, Habits
Binge-watching in a dark room: OLED vs LCD, cinema mode, viewing distance, ambient light and when filtering glasses actually make sense.
What is blue light? Spectrum, wavelengths and sources
What is blue light, explained simply: the visible spectrum, wavelengths, why 400–530 nm, natural and artificial sources. A clear and honest guide.
When to wear blue light glasses: a guide by time of day
Evening yes, daytime it depends, never night driving: a practical guide to when it makes sense to wear blue light glasses, with routines and examples.