Technology has brought more good than harm. Technology has brought more harm than good – Remember that debate? If you were on the opposers’ side, it is doubtful you argued how viewing digital screens of innovations like computers and laptops is detrimental to the eye.
Saying that the internet is taking over the lives of most of us in the world may sound doom and gloom, but it is true, meaning that many people spend too much time in front of a screen, an average person having close to 7 hours of screen time per day. But did you know that it affects your eyes?
According to optometrists, devoting more time to computers, laptops, or mobile phone screens, among various devices, causes digital eye strain (also computer vision syndrome) characterized by eyesight issues such as eyestrain, red eyes, dry eyes, and blurred vision.
The degree of the mentioned vision symptoms varies from person to person depending on individual vision abilities and screen brightness as the main real-time factor, but its impact is primarily temporary. However, spending many more hours on the screen may lead to high-risk eye disorders.
What is a good screen brightness level for computers and laptops?
The term nits describes the brightness of a digital screen display, as in computers, smartphones, laptops, tablets, etc. Brightness can also be defined as the measure of luminance in a gadget and is shown internally as a percentage from 0-100% in its brightness settings.
Brightness on computer or laptop screens makes pictures and videos look brighter, but very high brightness levels of 80% and above and too low screen light levels of 30% downwards have damaging effects on the eye and can cause eye fatigue, irritation, and headaches.
The best brightness level of computer and laptop screens should be set anywhere between 40% and 65% as determined by the ambient light in its area of use.
What is the best screen brightness level for a dark room?
If you are using your laptop, computer, or mobile phone after switching off the lights or outside at night, set your screen brightness level to anything below 55% because the lower the levels of general lighting in a room, the dimmer a digital screen should be to prevent glare and the more radiant a room is the higher the monitor brightness to avoid strain.
How to change screen brightness level in a laptop or computer
Adjusting your screen brightness level or contrast is easy thanks to easy keyboard shortcuts and a more direct settings procedure on laptops and computers. This guide works on almost all computing gadgets that run on Windows OS – Windows 10, Windows 11, and others.
To change your brightness level using keyboard keys, hold down the fn (function key), and press either f9, f10, or f11, major brightness-changing function keys in almost all types of laptops and computers, marked with a sun-like icon for distinction.
You can also adjust your screen brightness by following these steps;
- Go to search and type ‘brightness’
- In the results, most laptops and computers will bring ‘Change brightness level.’ Open it
- You will access Display settings. Navigate to Brightness and color and adjust screen brightness for the built-in display
This is the easiest way of adjusting the levels of brightness on your laptop or computer screen. Some devices, like Chromebooks, have a dedicated key for tuning screen brightness with one click.