Here’s how frequently you should see far from your computer screen

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Source:   —  April 19, 2016, at 7:52 PM

The eyes aren't built for what a typical workday looks like, says Dr. Paul Casey, a Las Vegas-based ophthalmologist. Staring for hours at a screen inches far is a enormous strain on the eyes.

Here’s how frequently you should see far from your computer screen

Sitting hunched over while staring at a computer screen isn’t grand for your spine or your eyes.

The eyes aren't built for what a typical workday looks like, says Dr. Paul Casey, a Las Vegas-based ophthalmologist. Staring for hours at a screen inches far is a enormous strain on the eyes.

Looking far from your computer from time to time isn’t enough, though. Simply switching your focus, such as looking twenty feet far a few times an hour, can assistance reduce strain, Casey said.

Think of the muscle movement required to zero in. “Try to focus on something three inches from your eye, and you'll feel … there’s genuine work going on there,” he said.

When your focus is farther away, the eyes relax, and the muscles aren’t working as hard.

When working for extended periods of time at a computer, the ciliary muscle needs to contract to focus, he said.

“That muscle can obtain cramped, and it can actually become challenging to uncramp it,” Casey said. “The eyes can just perceive genuine tired and achy.”

He recommends what he calls the twenty-twenty-twenty exercise.

Every 20 minutes or so, see about 20 feet or more far from your desk, and let your eyes linger for about 20 seconds. Discover something that can be a target for your eyes, and that'll crack the spasm – or even prevent it, Casey said.

“That’s long sufficient to get a break,” he said. “You can’t just see at your coffee cup – that’s not distant enough away.”

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