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According to a Harvard study, prolonged exposure elevates blood sugar levels, suppresses melatonin secretion, increases stress, and could be associated with health conditions such as cancer, diabetes, heart disease, and obesity. While blue light is part of the visible light spectrum (e.g., sunlight) and can help us stay alert, the use of modern technologies (e.g., screens and LED lights) is increasing the duration and proximity of our exposure, which is causing many undesirable health effects such as headaches, blurred vision, dry eyes, neck and shoulder pain, and difficulty falling asleep or staying asleep.īlue light throws off our circadian rhythms. The Negative Health Effects of Blue Light More and more studies have been done on the health impact of blue light, and what scientists have found is alarming. It’s caused by the blue light emitted by the screens of desktop monitors, laptop computers, tablets, and smartphones. The eye fatigue that ultimately ensues is called digital eye strain, and it affects 59% of Americans. Between streaming videos, writing emails and online banking, it’s hard to imagine life before smartphones.
#BEST BLUE LIGHT APP FOR IPAD 3 INSTALL#
Take note, however, it's usually not a good idea for most people to install betas on their main devices.If you can’t seem to tear yourself away from screens these days and have been suffering from eye strain or headaches from spending prolonged periods of time on all your gadgets, you’re not alone. IOS 9.3 is a public beta, and you can sign up for it here.
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Those all go alongside the slew of education features that Apple is baking into the platform (presumably to fend off ChromeOS' success there). CarPlay is getting some improvements and there's also a new dashboard in the Health app.
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Apple News gains better news recommendations in For You and can also be viewed in landscape. Good guess.Īlongside Night Shift, Apple is also adding private notes, which let you set some notes as hidden unless you open them with Touch ID. When Apple shut F.lux for iOS down, many speculated that it would become a baked-in feature for iOS. F.lux actually created an iOS version of the app, but last November Apple shut the app down for using private APIs (it also needed to be sideloaded to work). A popular tool for the Mac, called F.lux, is well-known and oft-used around these parts, but there are other utilities that do similar things. The point is to have the screen blast less blue light into your eyeballs, which is one of the things researchers believe can cause sleep problems if you use a screen too late in the evening.Īmazon added a similar feature to its Fire tablets last month, and actually, shifting the color temperature of your display has been a popular feature on a lot of gadgets. It's called "Night Shift," and it subtly shifts the color temperature of the display based on the time and location of your iPhone or iPad. Apple has just unveiled all the features it's adding to iOS 9.3, and though the headliner might be the beginnings of multiple user support (at least for students), there's another feature that's going to please everybody else.