How to test my LCD monitor for Subpixel Flicker?

and What to do about it

Click the image below to open it in Fullscreen mode

How to test my LCD monitor for Subpixel Flicker?

If this doesn’t work use and if you want to share this image on your website later use the link below

IrisTech.co – LCD Subpixel Flicker Test

On most monitors, this test should work but in order for your eyes to see the effect more clearly, you may need a black background

In this case right click the link above and click and click Open Link in New Tab from the menu

If you don’t see any visible flicker or pulsations with the first test, set your Browser to Fullscreen mode and open the second test in a New Tab

IrisTech.co – LCD Subpixel Flicker Test with Bigger Black Background

What to watch for?

One of the eleven boxes may flicker slightly

ObserveΒ for up and down movement or a pulsation of the box

What to do about it?

If you don’t see any noticeableΒ movement you are really lucky

If your monitor also has Blue light control and doesn’t use PWM for controlling the brightness you Iris can help you with automation of the blue light and the brightness

However, if you see movement or pulsation in one of the boxes Iris is a total must for your eye health.

There are 2 ways in Iris to fix the Subpixel flicker

Blue light to Zero

One is to set Blue light to 0%, there is preset type in Iris called Sleep type which can do this

Biohacker type should also fix the issue and will invert the colors to reduce the light emitted from the monitor even more

Making the screen Grayscale

You can also fix this problem by making the screen Grayscale

In Iris, there is Reading type which will do exactly this

It will also reduce the blue light and brightness automatically

Test again

Now if you try again with any of the methods above you should not see any flicker or pulsation in the image

Here are photos from my Iris

Sleep

Biohacker

Reading

Tell Friends

If you liked this article and you learned new things about why we feel eye pain in front of the monitors

If you want more and more peopleΒ to learn about this

If you want your friends to protect themselves from the monitor harmful rays and emissions

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Posted in Articles, Testing

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