Do these glasses help with light in a laser concert? I am trying to avoid a migraine.

Yes it does help for any blue light. I've used glasses for over 6 months and can confirm the effectiveness of blocking any blue light to keep your eye in a relaxed mode at all times.

At the top it says these glasses are uv400 but below the seller says it only blocks blue light. do these glasses block uva & uvb?

I wear mine all day as it does not only prevent blue light while working on a screen but also provide slight tint while outside. The glasses is also ligh weight too. Fantastic combination!

So can you wear these all day without headache?

I haven’t personally worn them all day, but I think they are the perfect looseness that doesn’t cause discomfort, but also don’t fall off your head.

What is the percentage of blocking blue light?

Hi Casey, FEIYOLD blue light blocking glasses can block harmful blue ray (400-440nm), it is around 90% of blue ray.

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Blue Light Blocking Glasses Women/Men,Retro Round Anti Eyestrain Computer Gaming Glasses(Black+Blue)

Product ID: 143744304

🌙Improves sleep by protecting melatonin production

⚖️Lightweight 4g TR90 frame for all-day comfort

🛡️Blocks 99% harmful blue light (400-440nm)

Description

👓 Protect your eyes, upgrade your vibe — because your screen time deserves style and science!

DUAL PACK VALUE - Two pairs included—perfect for home, office, or sharing with a fellow screen warrior.
SLEEP LIKE A PRO - Reduce blue light exposure to support natural melatonin and wake up refreshed every morning.
SHIELD YOUR EYES IN STYLE - Retro round frames that blend timeless fashion with cutting-edge blue light defense.
SHARPER VISION LESS STRAIN - High transmittance lenses (93%) block harmful blue rays without dimming your screen clarity.
ALL DAY COMFORT ZERO FATIGUE - Ultra-light TR90 frames and ergonomic nose bridge ensure you forget you’re even wearing them.

FEIYOLD Blue Light Blocking Glasses feature advanced 3A transparent lenses that block 99% of harmful blue light (400-440nm) while maintaining 93% visual clarity. Crafted with ultra-lightweight, durable TR90 frames, these retro round glasses provide all-day comfort and reduce digital eye strain, headaches, and disrupted sleep. Sold as a convenient 2-pack, they’re perfect for professionals, gamers, and anyone glued to screens seeking stylish eye protection and better sleep quality.

Specifications

ASIN	B088FMJN7S
ASIN	B088FMJN7S
Age Range Description	Adult
Apparel Fabric Weight Class	Lightweight
Arm Length	14 centimeters
Batteries	3 Nonstandard Battery batteries required. (included)
Best Sellers Rank	#232,843 in Health & Household ( See Top 100 in Health & Household ) #1,012 in Computer Blue Light Blocking Glasses
Brand	FEIYOLD
Bridge Width	12 millimeters
Color	Black+blue
Customer Reviews	4.5 4.5 out of 5 stars (44,451)
Date First Available	May 11, 2020
Department	unisex-adult
Fit Type	Standard
Frame Material Type	TR90
Frame Type	Full Rim
Frame Width	13.8 centimeters
Import Designation	Imported
Item Shape	Round
Item Weight	5.29 ounces
Lens Height	43 millimeters
Lens Material Type	Plastic
Lens Width	49 millimeters
Manufacturer	FEIYOLD
Manufacturer	FEIYOLD
Manufacturer Part Number	de-screen-11h-578
Material	3A transparent lens
Package Dimensions	6.38 x 4.02 x 2.24 inches; 5.29 ounces
Pattern	Solid
Special Features	Lightweight
Style Name	Retro
Target Audience	adults
UPC	797805784821
Unit Count	1 Count
size	Medium

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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