Computer Eye Strain

20-20-20 Vision is important for your health at office or homework because it is preventing your eyestrain.

20-20-20 Vision means that you take pause 20 second from monitor, go around 20 minutes outside or getting air at windows from the office or homework and 20-30 inc (50,8 cm – 76.2 cm).

Color temperature is important to use for monitor then let you know how to use night mode at:

Windows 10

Set your display for night time in Windows 10


How to use Dark Mode on your Mac

Google Chrome at Android, computer and iPhone/iPad

Browse in Dark mode or Dark theme

Dark mode theme at Firefox



  • Open the Settings app
  • Click “Display,” then toggle “Dark theme” on


Dark Mode in iOS 13:

  • Tap on the Settings app
  • Scroll down and tap on “Display & Brightness”
  • Select “Dark Mode”


Eyestrain – Diagnosis and treatment – Mayo Clinic

10 ways to address eye fatigue caused by displays