HOW TO DECREASE THE BRIGHTNESS OF MY SAMSUNG M5 MONITOR THAT DOESN'T SUPPORT DDC/CI

[RAVISH7RAO]

[1] - I HAD DECREASED THE BRIGHTNESS OF MY SAMSUNG M5 MONITOR TO THE LOWEST, BY REMOTE OF THE MONITOR THROUGH ITS INBUILT PICTURE SETTINGS .
[2] - AND THE MONITOR DOEST NOT SUPPORT DDC/CI SO I CANNOT CONTROL ITS BRIGHTNESS THROUGH ANY APP OR SOFTWARE.
[3] - I HAVE TO WORK ON WHITE SCREEN FOR 7 TO 8 HOURS SO IT GIVE SO MUCH STRAIN ON MY EYES .

IF ANY SOLUTION AVAILABLE PLEASE SHARE IT WILL BE GREAT HELP