make screen brightness more safely to eye code example

Example: monitor contrast for tired eyes

[Point 1] Check your PC work environment
[Point 2] Check your posture when looking at the display
[Point 3] Proper rest and stretching
[Point 4] Re-examine your glasses and contact lenses
[Point 5] Review your display brightness setting
[Point 6] Minimize display flickering
[Point 7] Minimize blue light from your display
[Point 8] Change your lifestyle habits
[Point 9] Early examination by an ophthalmologist
[Point 10] Use a display specialized for addressing eye fatigue
Summary: Multiple measures are needed to address eye fatigue, and don't be afraid to use special items!