The Truth About How Computers affect Vision

“It has not been officially proven that watching a screen for hours causes permanent damage to the vision of adults, however, the temporary symptoms that this habit usually causes can be uncomfortable and interfere with some activities of daily life.”

Many of us have experienced an unpleasant feeling in our eyes after spending a long time on our computer, smartphone, tablet or other digital devices. The debate about whether or not LED displays affect your eyes is a long debate that has been going on since computers were first released. The Michigan lasik eye surgery clinic explains the truth about computers and your vision in this article.

What are the effects?

It has not been officially proven that watching a screen for hours causes permanent damage to the vision of adults, however, the temporary symptoms that this habit usually causes can be uncomfortable and interfere with some activities of daily life. Prolonged use of digital devices can cause:

• Headaches

• Tense, fatigued or blurred vision

• Dry, red and irritated eyes.

There could be a hidden truth behind this myth: myopia is becoming more frequent all over the world, and experts believe that the increase in the incidence of myopia is due to the fact that children spend more and more time in front of digital screens. It is possible that excessive use of the computer, video games, reading or eyestrain may damage a child’s vision. Performing outdoor activities, instead of spending hours in front of a computer screen, can be beneficial for the vision and overall health of children.

After turning twenty, the walls of your eyes become stiffer, so there is less risk of close work permanently affecting the eyes.

What’s wrong with screen time?

There are several factors involved in the development of screen-related vision issues:

• When using a digital device, the user usually reads characters that require more focus than a large image on a television.

• While this focus is maintained, the normal reflex of blinking and moistening of the eyes decreases, this usually occurs approximately 15 times per minute.

• The glow generated by the screens makes the eyes have to work harder.

• If the user wears glasses or contact lenses, and his prescription is outdated, his eyes should work harder to see the information clearly on the screen.

How do you relieve eyestrain?

• Take a break:  to avoid eye fatigue you should move the eyes of the computer screen with some regularity. Generally, The symptoms decrease after taking a break.

• Use eye drops: the use of artificial tears helps eliminate and prevent dry eye symptoms. How do you prevent visual fatigue?

• Take frequent vision breaks: It is important to keep in mind that this does not mean moving from looking at the computer screen to looking at the screen of your smartphone. Let your eyes relax and look 20 feet away, or more. Alternatively, close your eyes. A very useful technique to avoid the symptoms of visual fatigue is to take at least five minutes of each hour to close your eyes.

• Create a sufficient working distance: The closer your eyes are to the screen, the tenser they become. Try to keep digital devices at a distance of 18-24 inches. This is a particular concern with mobile phones.

• Maintain a neutral posture: Keeping ergonomic postures while using digital devices can cause problems in the neck and back. If you use a computer and wear bifocals, place the monitor below eye level to eliminate the need to tilt the head back. If you read in bed, or if your workstation is not flexible, consider getting another pair of glasses, in addition to your bifocal lenses, so you can use them in these situations.

• Controls lighting: Minimize overload or outside lighting, which can cause glare on the screen. This can be done by closing the blinds, turning off the lights, moving or tilting the screen to minimize the reflection, adding an anti-glare screen or a hood, or decreasing the brightness and contrast settings on your device.

• Use new equipment: Older monitors generate noticeable flicker on the screen, which can worsen visual fatigue. If your computer has a cathode ray monitor, it’s time to replace it with a newer flat-panel monitor.

• Stay away from the dry air: Make sure your work area is not directly underneath or near a vent that sends air to your face. Since this will only worsen the symptoms of dry eye.

The important thing to remember when interacting with screens is that moderation is key. Spending a few hours from time to time is not going to kill you. Although you should always remain aware of how much time you are spending.

For more information about how screens affect vision as well as Lasik eye surgery visit

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