“A headache behind the eye may or may not throb with your pulse. “The feeling of a headache behind the eye may seem like it is coming from inside the head, from the sinuses, or from the back of the eye itself,” Patel says. So what separates an eye-strain headache from something more run-of-the-mill? You can’t pin it down by its location. How do you know if it’s actually eye strain So if you’re focusing intently on text or other close-quarters work for a long period of time-as most of us do every day in the digital age-you’re giving your eyes quite a workout. However, recent research shows that screens cause higher rates of eye strain and irritation than printed text. It isn’t just screens that tire out your orbs: “Extended reading, writing, or other intensive ‘near work’ can also cause eye strain,” Patel says. One study even suggests that blinking may allow your brain to rest briefly, so you can focus more after each dip. And when you forget to blink, your eyes feel dry. Patel, M.D., clinical spokesperson for the American Academy of Ophthalmology. “Humans blink about 15 times a minute, but studies show we blink half to a third of that while using computers and other digital screen devices,” says Purnima S. On top of that, keeping that focused posture means we often forget to blink. When you’re focused on nearby sights, the same thing is happening to your eyeballs. Imagine holding a squat for hours-your muscles would get unbearably sore. “Holding this posture for long periods of time can cause the muscles and eyes to strain,” says Duerr. “Anything closer than that, the eyes are working.” When you’re peering at an object that’s closer to you, your orbs need to turn inward, or “converge,” and focus on that thing. Duerr, an optometrist in Rochester Hills, Michigan. “Your eyes are relaxed when viewing object that are over 3 meters away,” says Michael J. But what is it about those screens that causes strain in the first place? The Vision Council says that more than 60 percent of people report symptoms of digital eye strain, including headaches, neck and shoulder pain, dry eyes, and blurred vision. But what if the pain is just coming from eye strain? What causes eye strain You’ve got a headache for the third time this week, and the culprit could be anything: stress, a migraine, a burgeoning cold, or any of a hundred other things you’ve found on WebMD.
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