Do you feel the light from the computer screen hits your eyes and makes your head jump? Or feel dizzy or nauseous after looking at the phone?Although you might think these feelings are just Eyestrain Or feel tired from watching the screen for a long time, they are actually a kind of Network disease.

With the rise of society, these problems seem to be a necessary evil Work at home, Distance learning and endless days of online scrolling.But i can assure you Human-computer interaction researcher, specializing in cyber diseases There are many ways to predict and avoid discomfort due to the screen.

What is Internet disease?

Network disease Refers Symptom cluster Occurs without physical movement, similar to motion sickness. These symptoms are divided into three categories: nausea, oculomotor nerve Problems and general disorientation. Eye movement symptoms, such as eye fatigue, fatigue, and headaches, involve overwork of the nerves that control eye movement. Disorientation can manifest as dizziness and vertigo. Some symptoms of Internet disease, such as inattention and blurred vision, overlap in categories. These problems can last for several hours and affect the quality of sleep.

People can experience the symptoms of Internet disease through everyday devices such as computers, phones, and TVs.For example, Apple released a Parallax effect on iPhone lock screen In 2013, when the user moved the phone, the background image looked like it was floating or moving, which was very uncomfortable for many people. It turns out that This is because it triggers symptoms of Internet disease. Parallax scrolling On the website, the background image remains static, and the foreground content moves with scrolling, which may also cause these symptoms.

Researchers have not fully agreed on why people get Internet diseases. A popular idea, Sensory conflict theory, Assuming that this is due to a mismatch in the information perceived by the body parts that regulate vision and balance. Even if your body is not moving, your eyes will receive a message telling them that you are moving. Daily technical design can trigger this conflict between visual perception and physical experience.

Cyber ??diseases in virtual and augmented reality

Internet disease symptoms tend to be more severe Virtual Reality and Augmented Reality.

VR is a technology that completely blocks your view of the real world and replaces it with an immersive artificial environment. It can be widely commercialized through popular gaming platforms (such as Facebook’s Oculus devices and Sony PlayStation VR). VR may cause Severe nausea Increase with the increase of use time. This may prevent many people from using certain applications and games.

On the other hand, AR superimposes the simulated environment onto the real world.These may include headsets that still allow you to see what is in front of you or something similar Pokémon Go On your phone or tablet. AR tends to More severe oculomotor nerve strain.

Even if you haven’t used a VR or AR device before, you are likely to In the next 10 yearsThe widespread use of AR and VR may lead to an increase in symptoms of Internet diseases.Research and Markets, a market research company, estimates that the use of these technologies for work, education, and entertainment may be Increase by more than 60% and will exceed US$900 billion by 2027.

Symptoms of Internet disease can be dangerous

Although symptoms of Internet disease may appear benign at first, they may have lasting effects Lasts up to 24 hours after device useAt first glance, this seems to be no big deal. But these lingering symptoms may affect your ability to operate in ways that may prove to be dangerous.

For example, symptoms such as severe headaches, eye fatigue, or dizziness may affect your coordination and concentration. If these side effects persist while you are driving, it may cause a car accident.It is not clear whether users, software companies, or other parties will be responsible for Injuried May be used by the device and Symptoms of Internet Disease.

Little is known about how chronic internet diseases affect daily life.Like who is more prone to motion sickness, there is a big difference, some people are as high as 10,000 times more risk, Some people may be more susceptible to internet diseases than others.Evidence reveal female, those people Don’t play video games often and people Poor balance There may be more serious network diseases.

Dealing with symptoms of Internet disease

If you are troubled by symptoms of Internet disease due to long-term use of your computer or mobile phone, there are some ways to help relieve this discomfort. Blu-ray glasses It is designed to block some blue waves emitted by the device screen, which can cause eye fatigue and irregular sleep. Enlarge the screen or use larger fonts It may also help reduce eye strain and make daily work more sustainable.

If you are interested in trying VR and AR applications, but are prone to motion sickness, warning indicators such as Oculus comfort rating, Can help you understand what will happen.Always make sure Vision calibration equipment Make your eyes as comfortable as possible, and use the device only in the following situations Open space If you feel dizzy and lose your balance, you can minimize the risk of injury. take a break If you start to feel any discomfort.

Safe use of new technologies

This Work at home exercise Growth due to the COVID-19 pandemic. Many people have replaced 9-to-5 and commuting with sweatpants, bedside tables and Zoom meetings. Although the convenience is undeniable, it is also increasingly aware of how difficult it is to stare at the screen for more than 40 hours a week.

But don’t let internet sickness let you down. As researchers continue to look for ways to reduce and prevent Internet diseases on all devices, people may one day be able to enjoy the advancement of innovative technology without feeling dizzy.

Angelica Jasper, PhD student in human-computer interaction, Iowa State University

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