Designed to reduce or prevent unwanted bright light or glare that can hurt your eyes.
From anti- (against) + glare (bright, harsh light). This modern English compound emerged in the 20th century as technology created more sources of problematic glare, especially in screens and vehicle headlights.
The most famous use is in phone and laptop screen protectors, but antiglare technology actually comes from fighter pilot windshields developed in WWII to reduce reflections in combat!
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