Eye care: prevent PWM and or temporal dithering

Two common issues with computer monitors that cause eye strain for people who are sensitive to high frequency flickering are the following:

• PWM is a technique (Pulse Width Modulation) used in some displays to control brightness or achieve a dimming effect. It involves rapidly turning the screen's LED backlight (or for OLED screens, pixels) on and off at a specific high frequency, creating the illusion of different brightness levels.
• Temporal dithering is a technique to produce more colors than what a display's panel (or display connection) can support (for example showing colors with 10 bit color depth - "billions of colors" - on an 8 bit - "millions of colors" - panel). When the display does not have the capability to show the full color depth, it will emulate missing colors by rapidly change between two adjacent color levels thus creating a middle ground.

BetterDisplay has some capabilities to help with these issues.

Note

The article reflects app version v2.2.3

Preventing PWM

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Help with temporal dithering

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