This is supposed to be used between about 9 p m.
Iphone 7 blue light filter.
Ios supports color shifting so you can warm up the light of your iphone for easy nighttime reading.
The filter attaches to existing screen protectors with smooth clean surfaces.
If you spend a lot of time looking at your phone and your ipad or tablet then you should put it into night shift mode to filter out the blue light coming from your phone screen or tablet screen.
To turn it on go to.
Iris is one of the best options you have for using a custom blue light filter app on your iphone.
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Settings display brightness.
Introduced in ios 9 3 the night shift feature in ios allows you to filter out blue light and adjust the warmth of the colors in your display.
Because blue light hinders production of melatonin and makes sleep more difficult.
The blue light filter lowers the color temperature for a warmer display with less blu light.
The lowbluelights blue light filter for iphone is intended to be used in the evening 2 3 hours before bedtime.
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It s not available on appstore but you can still download it on your device using itunes.
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