The description of CareUEyes---Blue light filter,Screen dimmer - Play With New Friends
CareUEyes is a application that runs on windows platform, CareUEyes not only remind you to take a rest?but also adjust the computer screen color temperature (like IPhone’s NightShift). it's useful.
How does the CareUEyes work ?
CareUEyes lock your compute screen using the desktop wallpaper images and force you to take a rest every 45 minutes(default), You can choose to delay 3 minutes or 5 minutes to take a rest. There are three times can be delayed.
CareUEyes can adjust the gamma value of your computer’s display adapt, reduce the blue part (RGB value) of the light, it makes your computer screen looks more comfortable, so that your eyes will not feel tired,etc...
It can prevent strain for my eyes , hope it is useful for you.