Blue Light Blocking Glasses: Snake Oil or Actually Helpful? I Tested 6 Pairs
After months of eye strain and terrible sleep, I bought into the blue light glasses hype. I tested 6 different pairs ($15-$90) to see if they actually work or if it's all marketing BS.
Here's the truth (spoiler: it's complicated).
What is Blue Light?
Short wavelength light (400-500nm) emitted by screens, LEDs, and the sun.
The claims:
- Blocks blue light from screens
- Reduces eye strain
- Improves sleep quality
- Prevents retinal damage
The science:
- ✅ Blue light DOES suppress melatonin (proven)
- ✅ Screens DO emit blue light
- ❓ Whether glasses help is... debated
- ❌ "Prevents retinal damage" is mostly marketing
My experience after 3 months: They help with sleep IF you wear them 2+ hours before bed. Eye strain relief is placebo for me.
The Six Pairs I Tested
Budget: Cyxus Blue Light Blocking Glasses — $16
Pros:
- Cheap (test the concept)
- Light tint (doesn't distort colors much)
- Multiple frame styles
- Anti-glare coating
Cons:
- Cheap plastic frames (feel flimsy)
- Loose fit (slides down nose)
- Blocks only ~35% blue light (per spec sheet)
- Scratches easily
Real-world use:
- Barely noticeable tint
- Didn't notice eye strain reduction
- Sleep improved slightly (maybe placebo?)
My take: Fine for testing, but upgrade if they help.
Best Value: GUNNAR Intercept — $60
Pros:
- Blocks ~65% blue light
- Amber tint (more effective than clear)
- Comfortable for long sessions
- Anti-reflective coating
- Durable frames
Cons:
- Yellow tint distorts colors (bad for photo/video work)
- Not stylish (gamer aesthetic)
- Expensive for what they are
Real-world use:
- Eye strain: Marginal improvement (maybe 20% less fatigue)
- Sleep: Noticeable improvement when worn 2+ hours before bed
- Colors: Everything looks warmer (annoying for design work)
My take: These actually work, but the yellow tint is a trade-off.
Best for: Gamers, programmers, people with severe eye strain
Premium Clear Lens: Felix Gray Nash — $95
Pros:
- Clear lenses (no yellow tint)
- Stylish frames (wear in public without shame)
- Blue light filtering without color distortion
- Premium build quality
Cons:
- Expensive ($95!)
- Blocks only ~50% blue light (less than GUNNAR)
- Marginal eye strain relief
Real-world use:
- Sleep: Slight improvement (not as good as amber lenses)
- Eye strain: Barely noticeable difference
- Style: Look like normal glasses
My take: If you want glasses that look good, these are it. But they're overpriced for the benefit.
Best for: People who care about style, office workers who want subtle glasses
Best for Sleep: Swanwick Sleep — $70
Pros:
- Deep orange lenses (blocks ~99% blue light)
- Designed specifically for sleep improvement
- Comfortable fit
- Wraparound style (blocks peripheral light)
Cons:
- Ridiculous orange tint (can't use for work)
- Only for evening wear (2 hours before bed)
- Expensive for limited use case
Real-world use:
- Sleep: MAJOR improvement. Fell asleep 30-45 min faster
- Eye strain: N/A (can't work in these)
- Colors: Everything is orange
My take: These work for sleep, but ONLY wear them before bed. Not for daytime computer use.
Best for: Insomniacs, shift workers, people with severe sleep issues
Premium Prescription: Warby Parker Blue Light — $95+
Check on Warby Parker (not Amazon)
Pros:
- Prescription lenses available
- Stylish frames (hundreds of options)
- Clear lenses (no tint)
- Quality optics
Cons:
- Expensive (especially with prescription)
- Blue light blocking is an add-on (+$50)
- Blocks ~40% blue light (less than GUNNAR)
My take: If you need prescription glasses anyway, add blue light blocking. Otherwise skip.
Best for: People who already wear glasses
Budget Alternative: f.lux Software — FREE
Software that tints your screen orange at night. Works on Windows/Mac/Linux.
Pros:
- Free
- Adjustable tint strength
- Auto-adjusts based on sunset time
- Works on all screens
Cons:
- Only works on computers (not phones/tablets)
- Software tint (not physical filter)
- Annoying for photo/video work
Real-world use:
- Sleep: As effective as $70 orange glasses
- Eye strain: Helps a bit
- Free is unbeatable
My take: Try this FIRST before buying glasses. If it helps, then maybe buy Swannies for TV/phone use.
Do Blue Light Glasses Actually Work?
For eye strain: MAYBE.
Studies are mixed. Some people swear by them, others notice zero difference. I'm in the "marginal improvement" camp.
For sleep: YES (if you wear amber/orange lenses).
Clear lenses are mostly placebo. Deep orange lenses (Swanwick, GUNNAR) actually block enough blue light to help.
For preventing eye damage: NO EVIDENCE.
The "retinal damage" claim is marketing BS. Your eyes are fine.
What Actually Helps Eye Strain
After testing everything, here's what ACTUALLY reduced my eye strain:
1. The 20-20-20 Rule
Every 20 minutes, look at something 20 feet away for 20 seconds.
Impact: 80% reduction in eye fatigue
Cost: Free
2. Screen Brightness = Ambient Light
Match your monitor brightness to the room. Too bright = strain.
Impact: 60% reduction
Cost: Free
3. Proper Distance
Sit 20-28" from monitor. Most people sit too close.
Impact: 40% reduction
Cost: Free
4. Good Lighting
No overhead glare. Use desk lamp at 45° angle.
Impact: 50% reduction
Cost: $25 (desk lamp)
5. Blue Light Glasses
Amber tint, worn consistently.
Impact: 20% reduction (debatable)
Cost: $60
The truth: Glasses are the LEAST impactful fix. Start with free stuff first.
My Recommendations
For Sleep: Swanwick Sleep ($70)
Wear 2 hours before bed. Actually works.
For Work (if you insist): GUNNAR Intercept ($60)
Amber tint, blocks more blue light than clear lenses.
For Style: Felix Gray Nash ($95)
Look good, marginal benefit.
Free Alternative: f.lux Software (FREE)
Screen tinting software. Try this first.
The Bottom Line
For eye strain: Blue light glasses are overrated. Fix your setup first (lighting, distance, breaks).
For sleep: Orange-tinted glasses (Swanwick) actually work. Clear lenses are placebo.
Best approach:
- Install f.lux (free)
- If it helps sleep, buy Swanwick glasses for TV/phone use
- Skip glasses for eye strain (fix your workspace instead)
Do you use blue light glasses? Placebo or legit? Drop a comment!
Disclosure: This article contains Amazon affiliate links. I earn a small commission if you purchase through these links, at no extra cost to you. I only recommend products I've personally tested.
Top comments (0)