What Is Blue Light Filter?

You may be wondering what blue light is and what is a blue light filter.

I will explain this to you, so you understand what a blue light filter does and how it can help you.

All About Blue Light

Blue light is produced by the computer monitor and all computers produce it.

All light is made up of electromagnetic particles that move in waves.

There’s energy that’s emitted by these waves. When there’s a short wavelength, there’s more energy produced.

Waves are measured in nanometres which is one billionth of a meter, so they are very small. The waves are made into groups such as:

  • UV or ultraviolet
  • Visible light
  • X-rays
  • Radio waves

The eyes are only sensitive to visible light.

Light is seen in various colors like green, blue, red, orange, and so on.

Blue light has a very short wavelength and it produces more energy.

It’s said that long-time exposure to blue light may cause damage to your eyes.

This is why it’s a good idea to filter blue light. This is what a blue light filter does for you.

Different Types

To filter blue light, you have several options. The first option is to just stay away from your computer and take a lot of breaks, but this won’t work for most people as we need to work at our desks.

You can buy blue light filter glasses which will filter blue light, but they are expensive and not everyone likes to wear glasses.

Another option is to use special software that blue light.

It installs on your computer and your eyes are protected from damage.

There are all types of software to do this so you need to conduct a little research before you buy.

You need software that will work on your specific operating system and have the features you want.

Good software will reduce your eye pain, and let you work at your desk without the need for frequent breaks to rest your eyes.

Buying Software

You need to buy software that is going to filter blue light in the best way.

You don’t want a poor filter as all the blue light may not be filtered effectively.

There are many companies that sell it so pick one that’s going to work for you.

Look for software that us well documented so you know how to set it up properly.

One company we recommend that has excellent blue light software is called Iris software.

Iris Software

So now that you know what is a blue light filter, you should try Iris software.

We have robust blue light filter software. You can get both a free version and we also have a pro version which gives you more features and options.

Iris software is easy to use and works with multiple operating systems, so you don’t have to buy other software.

Our program reduces eye pain, eye fatigue, and you will sleep better, too.

Iris is your best bet for a quality blue light filter.


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