What is CVS (Computer Vision Syndrome)?

Computer Vision Syndrome, or CVS for short, medical symptoms caused by staring at the screens of digital devices such as computers, smartphones, handheld video game consoles, and e-books for a long time. Doctors estimate that nearly 80 million people in the United States may have this symptom, excluding the growing number of children with eye problems associated with electronic devices.

Computer vision syndrome

Computer Vision Syndrome, or CVS for short, medical symptoms caused by staring at the screens of digital devices such as computers, smartphones, handheld video game consoles, and e-books for a long time. Doctors estimate that nearly 80 million people in the United States may have this symptom, excluding the growing number of children with eye problems associated with electronic devices.

Computer vision syndrome

Studies have shown that when focusing on computer work, people don't blink as often as usual, which leads to dry eyes. Computer screens are usually switched at a frequency of 75 times per second, so that people's eyeballs are repeatedly focused at a frequency of 75 times per second, making eyes more fatigued. There is a muscle in the eye that allows the eye to focus on what you are looking at. Computer screens are usually farther from our eyes than books. If you keep staring at the computer screen for several hours, this muscle will become tired.

About a third of the visible light radiated from a computer screen is blue light. Blue light has been clinically proven to be one of the important factors leading to macular degeneration in the elderly. Whether dry eye is related to blue light stimulation has not been medically proven.

Computer vision syndrome does not damage the eyes, nor does it cause eye diseases such as glaucoma or diabetic retinopathy. But it makes the eyeball surface dry. It is caused by excessive staring. This condition can cause fatigue, headaches, neck pain, visual ghosting, and intermittent vision blurring, reduce adult productivity, lead to learning disabilities in school children, and decline in grades.

Computer vision syndrome treatment

Doctors say there are simple things that can be done to deal with many of these issues. For example, work glasses. This kind of glasses is not the same as the traditional bifocal or trifocal glasses that look far away at the top, close-up or middle-distance parts at the bottom, it sets the distance-looking part of the computer on it because we wear glasses to see the computer They are all viewed from above, and the reading materials are set below.

Doctors also recommend that people who use computers usually use eye drops that lubricate the eyeballs, take a break every 15 minutes and look into the distance. Make sure your computer screen is the right height. It is best to be 10 cm below your line of sight. Don't look up at the computer screen.

Although these solutions may seem simple and easy, doctors expect the condition of computer vision syndrome to worsen, as more movies and TV shows are now available on computers and more and more small Seen on electronic devices.