Focus
Display Brightness Calibration
Display brightness calibration matches screen luminance to room light—lowering evening brightness protects eyes and melatonin even with night mode.
Display brightness calibration matches screen luminance to ambient room light—bright panels in dim rooms strain pupils and delay evening melatonin. Aim for comfort, not maximum nits; auto-brightness helps outdoors but may misread at night.
Lower brightness after sunset even with night mode on.
Common questions
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Is maximum brightness better for eye health?
No—excess brightness versus the room causes squinting and evening melatonin delay. Match the room; increase font size instead of blasting nits.
Related terms
Put Display Brightness Calibration into practice
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