Blue Light Filter Guard

★★★★★
★★★★★
48,142 users
and comfort
environment and health less 3)gray: brightness of on filter color the eye fatigue, the guard decrease blue increase injury, set care protection
follow light mode.filter the level light harmful is the eye individual brightness and
so mode
the filter eye status, use prone mild to eye 2)brown: take filters, may low increase health.
of contrast
that blue 1)green:
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