![]() ![]() It's established that populations with a tendency to read and write a lot have higher incidences of nearsightness. I haven't found any specific study yet but. I came across this thread searching for data on this subject. Sorry, I gotta stress some of those points, as I think there's a lot of myths flying around, but not all of them are bad myths. That's why Apple built in an ambient light sensor to their MacBook Pro. So the reality is that it's best for you to match ambient lighting and screen lighting. And as explained above again, more light is. Inversely, if your screen is significantly brighter than ambient, then by looking at the screen, you are receiving a lot more light than necessary to "see" things. Not to mention focusing also takes a toll on your brain and nerves, which is not good. And like I just explained above, more light is bad. And if you try to focus your eyes more on the screen in order to "see" things, then you're forcing your eyes to take in more light. So if ambient lighting is significantly brighter than your screen, your eyes would have a harder time "seeing" the screen. Basically, your eyes also know how much light it needs to receive in order for you to "see" things. That's why when you are in dark places, the outside look a lot brighter, and when you are outside looking into dark places, it's usually almost pitch black. Your eyes adjust for exposure level depending on the average amount of light that it receives. So technically, less light (lower brightness) is ALWAYS better, as less light does less damage. and probably the rest of your body as well. But in the extreme cases, it may actually disintegrate your eyeballs. In the worst case scenario, you'll go blind. When light goes into your eyes, that kinetic energy is absorbed completely by your retinas, and depending on how high the energy level is, it can range from hurting your retinas.
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