strain by reducing glare and contrast, especially at night or in dim environments. It also looks sleek and, on OLED screens, can save battery power too.
Batteries
To activate it, check your display settings — both Android and iOS have built-in dark mode options, and most apps now support it as well.
For extra eye comfort, try the 20-20-20 rule: every 20 minutes, look at something at least 20 feet away for 20 seconds. It’s a simple way to refresh your
vision and prevent tension.