what is the country origin?

Hi ghujj, The VizoBlueX has been developed and produced in our Manufacturing Department in Taiwan. Kind regards, Meryl

What percentage of blue light is blocked at each of the wavelengths 380nm to 490nm?

Hi and thank you for your question! The Vizomax anti-blue light filter for computer monitor blocks 100% of the blue light between 380nm to 490nm. Please, let us know if you have more questions! Kind regards, Meryl

anti-blue light screens are clear. no tint. yet anti-blue light glasses are mostly all tinted yellow. is there a reason why

Hi Dena, Thank you for your question! Our anti-blue light TV Protectors are clear as well as we have used the latest anti-blue light technology when creating them. It depends on the brand & manufacturers whether an anti-blue light protector is yellow tinted or not. The quality doesn't depend on this you can rest sure about it. Kind regards, Meryl

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27-28 inch Anti-Blue Light Filter for Computer Monitor

27-28 inch Anti-Blue Light Filter for Computer Monitor

Product ID: 63987439

Details

Brand
VizoBlueX
Compatible Devices
Desktop
Finish Type
Glossy
Item Hardness
7H
Material
Plastic
Product Dimensions
24.8"L x

💤Improves sleep by reducing eye strain

📏Fits 27-28 inch screens precisely

🛡️100% Multi-layer Blue Light Block

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3818263₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
VizoBlueX
Compatible Devices
Desktop
Finish Type
Glossy

Description

🖥️ Shield your eyes, sharpen your focus, and sleep smarter!

VIVID COLOR RETENTION - Maintains true-to-life colors on LCD and LED screens—no dulling or distortion.
EFFORTLESS INSTALLATION - Bubble-free, dust-resistant design makes setup quick and hassle-free.
ULTIMATE EYE PROTECTION - Blocks harmful blue light (380-480nm) and UV rays with 100% multi-layer optical-grade filter.
SLEEP PRODUCTIVITY BOOST - Reduces eye fatigue and digital eye strain, helping you stay sharp and sleep better.
PERFECT FIT FOR YOUR SCREEN - Custom-sized for 27-28 inch monitors ensuring edge-to-edge coverage without compromising clarity.

The VizoBlueX 27-28 inch Anti-Blue Light Filter is a premium, multi-layer optical-grade screen protector designed to block harmful blue light and UV rays from your monitor. It fits perfectly on 27 to 28 inch LCD and LED screens, preserving vibrant colors while reducing eye strain, fatigue, and improving sleep quality. Easy to install and water-resistant, it’s a must-have for professionals seeking healthier screen time.

Specifications

ASIN	B0789V1STJ
Best Sellers Rank	#2 in Computer Screen Protectors
Brand	VizoBlueX
Brand Name	VizoBlueX
Clarity	100
Compatible Devices	All Monitors: Samsung LG Dell HP Lenovo Asus Acer BenQ ViewSonic, Philips NEC Eizo MSI Gigabyte Alienware Razer AOC Viotek Compatible Devices All Monitors: Samsung LG Dell HP Lenovo Asus Acer BenQ ViewSonic, Philips NEC Eizo MSI Gigabyte Alienware Razer AOC Viotek See more
Customer Reviews	4.5 out of 5 stars 2,114 Reviews
Finish Type	Glossy
Item Dimensions L x W	24.8"L x 14.6"W
Item Hardness	7H
Manufacturer	VizoBlueX
Material	Multi-layer Acrylic Filter
Model Name	28-inch-Model
Model Number	28B
Number of Items	1
Part Number	B0789V1STJ
Product Dimensions	24.8"L x 14.6"W
Screen Size	28 Inches
Screen Surface Description	Glossy
Special Feature	Blue Light Block
Special Features	Blue Light Block
UPC	741414743021
Unit Count	1.0 Count
Water Resistance Level	Water Resistant

Reviews

K**M

20.02.2026

S**O

12.03.2026

L**A

23.02.2026

E**R

2.09.2025

J**Z

23.07.2023

A**R

21.03.2026

B**E

8.03.2026

W**.

5.02.2026

P**T

2.10.2019

I**N

17.09.2019

K**L

23.07.2020

R**S

9.04.2021

P**A

25.08.2020

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3818263₫

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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TrustScore 4.5 | 7,300+ reviews

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