When a person is driving at night, it’s important that the GPS screen does not distract them from what’s happening on the road. If a person has to constantly shift his gaze from a bright app to dark surroundings, he will swiftly acclimate to the bright display, but acclimating back to the darkness will take longer.įor this reason, certain apps, such as a GPS, launched dark themes even before operating systems did, with support for automatic switching. When we go from a brightly lighted place to a dark one, however, that process takes more time - 30–45 minutes on average. If we leave a dark room and enter a brightly lighted one, we are momentarily blinded, but within 4–6 minutes, our eyes acclimate to the new lighting. To understand why let’s take a closer look at how our vision works. It is necessary for apps that are used in low-light conditions. But there’s more to it than that.Ī dark theme is a functional improvement.
You might be inclined to think that this is just another fad.
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