As a result of the technology and digital explosion, more workers need to be spending their time looking at computer screens each day with most spending at average of at least 5 hours per day during their daily work hours. As a result of that, the incidence of Computer Vision Syndrome of CVS is on a steady rise.
The prevalence of computer vision syndrome (CVS) among computer users was 69.5 %. Blurred vision, eyestrain, and eye irritation were the most common reported symptoms of CVS with prevalence of 62.60%, 47.63%, and 47.40%, respectively.
CVS or digital eye strain is a group of eye and vision problems. The problems can include eyes that itch and tear, and are dry and red. One’s eyes may feel tired or uncomfortable. One may not be able to focus normally. These problems are caused by too much computer or digital device use. Using e-readers and smart phones may also cause these problems.
These problems have been increasing in frequency over the past few decades. Many people have some symptoms if they use a computer or digital device for long periods. Most computer or digital device users have symptoms at least some of the time. Digital eye strain is very common in both children and adults.
For many reasons, reading text on a computer screen or digital device is often harder for the eyes than reading printed text. This is why working on a computer for a few hours might cause eye problems, but reading a book may not.
Several factors help to cause digital eye strain, such as:
Individuals often blink less when using a computer than when reading printed text. This can cause dry eye and can also help to cause digital eye strain.
One may be at greater risk for digital eye strain under certain conditions:
One may have an underlying problem with dry eye. This may make digital eye strain worse. Or it can make it more likely to occur. Dry eye is more common in women than in men. It also becomes more common with age. Some medicines and health problems make dry eye more likely. For example, if you use antihistamines, you may be at greater risk of having dry eye. If you have thyroid disease or certain autoimmune diseases, you are also at greater risk of having dry eye.
Computer Eye Syndrome can cause many symptoms, including:
Most of these symptoms are short-term (temporary). They lessen or go away when you stop using your computer or device. But sometimes you may have symptoms for a long time afterward.
The severity of symptoms may vary depending on:
Symptoms may get worse if you don’t resolve the problem.
Using a computer or digital device for a long time can also lead to other symptoms. This includes neck and shoulder pain. This is often due to poor alignment and posture when using the computer or digital device. Some healthcare providers call these symptoms part of digital eye strain as well.
Your eye doctor or ophthalmologists will make a diagnosis with a health history and complete eye exam. He or she will assess if any health problems, medicines, or environmental factors might be adding to your symptoms.
Your eye doctor may test the sharpness of your vision and how well your eyes focus and work together. In some cases, the provider may want to dilate (enlarge) your pupils. Then he or she will use a device (ophthalmoscope) to look at the back of your eye. In some cases, you may need to get follow-up blood tests for healthcare problems that might be helping to cause your digital eye strain.
Treatment includes creating a better work environment.
Making these changes gets rid of digital eye strain in many people.
Your eye doctor will also need to treat any hidden health problems that may be helping to cause your digital eye strain. For example, you might need a new pair of glasses. If you have an underlying dry eye problem, your eye care provider might advise the following:
Create a better work environment to help prevent digital eye strain. If you use glasses or corrective lenses, see your eye care provider at least once a year or as advised for a checkup. Also see your healthcare provider regularly. This can help prevent and treat health problems that can help cause digital eye strain.
Key points about digital eye strain
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