All you need to know about computer vision syndrome

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Computer vision syndrome is a result of all such digital exposure that we put our eyes through. Globally, computer vision syndrome affects about 60 million people. If we continue straining our eyes without taking the basic precautions, it may inevitably lead to further eye complications.

To know how to care for your eyes while using your computer and more, read on!

What Is Computer Vision Syndrome?

Computer vision syndrome is a term used to describe all eye or vision problems that occur as a result of prolonged computer use. It is also commonly referred to as digital eye strain.

Researchers are of the opinion that around 50%-90% of individuals who work at a computer screen exhibit at least a few symptoms.

However, it is not only the working adults who are affected. Children who stare at tabs or computers for too long can also develop issues, especially if the lighting and their posture are far from ideal.

You might be wondering how computers can affect your vision. Find out in the next section.

See Also: What effect does your makeup have on your vision?

How Do Computers Affect Vision?

Computer vision syndrome (CVS) is kind of similar to carpal tunnel syndrome as well as other motion (repetitive) injuries you are likely to get at work. It is caused by the repetitive movement of your eyes in the same path for long durations.

When you are constantly looking at the computer, your eyes have to focus and refocus constantly – time and again. They keep moving back and forth from the computer to other things you may have to read or write down in between. They also react to the changing images on the computer screens.

While such jobs may look easy, they require a lot of effort from your eye muscles.

Let’s now take a look at the causes.

What Causes Computer Vision Syndrome Or Digital Eye Strain?

Some common causes of computer vision syndrome are:

  • Not using your reading or anti-glare glasses regularly
  • Advancing age
  • Uncorrected ocular (vision) etiologies
  • Poor lighting
  • Glare on your digital screens
  • Improper posture or viewing distances

Those suffering from this syndrome exhibit the signs and symptoms listed below.

Signs And Symptoms

The common signs and symptoms associated with computer vision syndrome are:

  • Blurred or double vision
  • Eye fatigue
  • Floaters
  • A burning sensation in the eyes
  • Dry eyes
  • Eyes may become red and watery
  • Irritated eyes
  • Headaches
  • Back or neck pain

So, are there any tests that can help the doctor diagnose this condition?

How Is Computer Vision Syndrome Diagnosed?

The ophthalmologist can help diagnose your condition by carrying out an eye examination. Special attention might be given to how your eyes work and respond to different distances from the computer screen.

Your doctor may also question you about your symptoms and how much time you spend in front of the computer screen to confirm the diagnosis.

Once diagnosed, you may be asked to make a few simple changes to your working style. The following are some of the widely accepted practices for treating CVS.

How To Treat CVS

Once you are diagnosed with computer vision syndrome, it is very important that you visit your ophthalmologist for regular check-ups to prevent your eyesight from deteriorating further.

Medical prescriptions may include glasses or contact lenses as per your requirement. You may be given a regular pair of glasses to wear while looking at the screen, or you may be asked to get a special pair. Single, bifocal lenses or tinted lenses may also be prescribed to boost contrast while filtering out the glare.

Some simple changes to your workspace that can help with CVS are:

  • Change any lighting that could be casting a glare on your computer screen. You can also reposition your computer if the light from a nearby window is the cause.
  • Install a dimmer switch on the overhead fixtures that could be casting a glare on your screen.
  • Rearrange your desk to slightly below your eye level and 20-28 inches away from your face.
  • Give your eyes a break by looking at least 20 feet away every 20 minutes for 20 seconds. This is called the 20-20-20 rule.
  • Tweak the font size and brightness of your computer so that you don’t have to strain your eyes much.

All these simple changes can work wonders for your eyesight in the long run.

Here are some additional tips to prevent digital eye strain or CVS from recurring.

Prevention Tips

While you don’t have to cut down on your screen time completely to prevent computer vision syndrome from resurfacing, a few changes to how you use them can make things easier on your eyes.

  • Use an anti-glare screen filter or a matte screen filter on your computer, phone, as well as tablet screens.
  • Follow the 20-20-20 rule.
  • Take a break, for, say, about 15 minutes, after every 2 hours of using the screen continuously.
  • If your eyes tend to feel dry often, use artificial tears to lubricate them.
  • Place a humidifier in the room, close to the screens, to prevent your eyes from drying.
  • Make sure the lighting of your surroundings is bright enough for your screens.
  • If you are a contact lens user, wear your glasses and give your lens a break while using the computer screen.
  • Get your eyes checked by an eye care specialist regularly.
  • Follow a healthy diet that is rich in various vitamins and minerals.
  • Practice eye exercises like blinking slowly, rotating your eyes in the clockwise direction, or simply looking far away for a few seconds every now and then.

The way you sit in front of your screen and the distance at which you sit from it also play a significant role when it comes to treating computer vision syndrome.

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