Research and practical guides for light-sensitive screen users
Evidence-aware answers about photophobia, eye strain, migraine glasses, screen settings, and spectral filtering.
Guide
Migraine Glasses: FL-41, Avulux & TheraSpecs Compared
What FL-41 and multi-band lenses actually do, verified prices for TheraSpecs, Axon Optics, and Avulux, and what glasses do not cover.
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Guide
Mac Screen Black and White? Here's How to Fix It
Every real cause, from an accidentally toggled Color Filter to a grayscale app, with exact fix steps for current macOS.
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Guide
Mac Screen Has a Yellow Tint? Here's How to Fix It
Night Shift, True Tone, filter apps, and color profiles: every cause with exact fix steps, and when warmth is worth keeping.
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Guide
Eye Strain Relief Technology in 2026: What Actually Works
Tinted lenses, screen filters, e-ink monitors, flicker-free displays, break reminders, and artificial tears, with the evidence and cost for each.
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Research
Does the 20-20-20 Rule Actually Work? What the Research Says
The famous eye-break rule started as a catchphrase, not a lab result. What trials of screen breaks and blink rate actually found, and why breaks still earn their place.
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Research
Can Bad Posture Cause Headaches? What the Evidence Says
Screen posture can trigger real headaches through the neck, not the eyes. How cervicogenic headache works, how it differs from migraine, and what actually helps.
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Guide
How to Dim Your Mac Screen: Every Method Compared
Brightness keys, Night Shift, free overlay apps, gamma-table dimming below minimum, and monitor settings, with the tradeoffs stated plainly.
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Guide
Fluorescent Lights and Migraines: Causes and Relief
Fluorescent lighting is the reason FL-41 tint exists. Why those tubes bother sensitive eyes, and what helps when you cannot leave the room.
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Guide
Can Eye Strain Cause Dizziness? What to Know
Eye strain can contribute to dizziness for some people. The mechanisms, the red flags that deserve a doctor, and the setup changes that help.
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Guide
Best Monitor for Eye Strain: A Buyer's Checklist
Flicker, finish, brightness floor, and sharpness: the specs that actually matter for sensitive eyes, and how to evaluate the monitor you own.
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Guide
Eye Strain from Screens: Causes, Symptoms, and Solutions
Up to 90% of people who use computers for 3+ hours daily experience digital eye strain. Here is what causes it and what actually helps.
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Guide
Best Screen Settings for Migraines: A Complete Guide
Adjust brightness, enable spectral filtering, and configure your Mac to reduce migraine-triggering light.
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Comparison
Computer Glasses vs Screen Filters: Which Actually Works?
Computer glasses help with focus fatigue and glare. Screen filters target specific wavelengths. Here is when to use each.
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Research
Do Blue Light Glasses Work? What the Evidence Says
A 2023 Cochrane review found no benefit for eye strain. Here's what the research says, including for migraine headaches.
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Guide
Screen Brightness and Eye Strain: How to Find the Right Level
Why brightness alone is not enough, and how to combine it with spectral filtering for real relief.
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Guide
Photophobia and Light Sensitivity: Causes and Solutions
What causes photophobia, which glasses help, and how software filtering complements physical lenses.
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Guide
Vestibular Migraines and Screen Use: What Helps
Vestibular migraines cause vertigo, dizziness, and motion sensitivity. Screens can be a major trigger.
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Research
Is Dark Mode Better for Your Eyes? What the Research Says
Dark mode reduces brightness but does not filter the specific wavelengths that trigger migraine photophobia.
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Guide
Blue Light Filter for Mac: Settings, Apps & Options
Night Shift, screen protectors, glasses, and software filters compared, including how to turn on a blue light filter on a Mac.
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Research
FL-41 Tint for Migraine: How It Works on Screens
FL-41 for migraine reduced frequency by 74% in clinical trials. Nox brings the same spectral profile to your Mac display.
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Comparison
Glasses for Light Sensitivity: Tints Compared
Not all tinted glasses are equal. Different colors target different wavelengths. Here is what the research says.
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Research
Green Light Therapy: What It Is and Does It Work for Migraines
Research shows narrow-band green light at 530nm is the only wavelength that does not worsen migraine.
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Comparison
Nox vs Migraine Glasses: Software Filtering vs TheraSpecs and Avulux
Migraine glasses filter light at the lens. Nox filters it at the screen. Here is how they compare.
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Research
Is Blue Light from Screens Harmful? Myth vs Science
Blue light from screens is not dangerous for most people. But for migraine sufferers, the 480nm wavelength activates real pain pathways.
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Guide
Eye Strain Headache or Migraine? How to Tell the Difference
Screen headaches can be tension-type eye strain or migraine. The distinction matters because the solutions are different.
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Guide
iPhone Color Settings for Migraines: How to Optimize Accessibility
Use your iPhone's built-in Color Filters, Reduce White Point, and other accessibility settings to reduce migraine-triggering light.
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