On-tact era, eye health care;Keep your eyes healthy by practicing the '20-20-20 rule'

As the "on-tact" era has become commonplace for non-face-to-face online work and communication since the 19th pandemic of coronavirus, computer monitors and smartphones are rapidly increasing. Furthermore, the spread of telecommuting increases eye strain in the process of processing computer videoconferencing and various tasks, as the environment for computer use at home may be worse than that of offices.

If you use a large monitor installed at eye level in the office and work on a laptop monitor at home sitting on a table or table, the fatigue your eyes feel can be even worse. While regular breaks can be secured in the office, sitting in front of a computer all day without resting at home can also be a major cause of adverse eye health effects.
The Guardian, a British daily newspaper, introduced the coronavirus epidemic as well as the increasingly tired lifestyle to protect eye health. The Guardian noted that increasing time spent on computers or smartphones does not immediately lead to impaired vision because vision progresses slowly throughout life. Using computers and smartphones is more connected to eye strain than vision, experts say. Therefore, it is explained that having the right usage habits in posture and time can reduce eye strain.
First of all, you can relieve some eye strain by positioning the screen. In the case of computers, the distance from the eyes to the monitor is at least 40cm to 76cm. It is recommended that the top of the monitor be level with the eye level or 10 to 20 cm above the level. Avoid reflection of light on the monitor, and using document holders side by side at the same eye level next to the monitor will help relieve eye strain during operation.
When looking at a smartphone or tablet PC, it is recommended to bend your elbows at an angle of about 90 degrees and look in a similar position to reading a book. Lying on the bed and looking at the smartphone over your head makes your eyes more tired because your eye muscles work more when you look up. Staring at the monitor for a long time in the same position also adds to eye strain. This is because people's eyes have a design structure that is not suitable for long-term staring at close areas within 45 centimeters.
The Guardian proposed the "20-20-20 Law" for healthy eye care. Every 20 minutes, you rest 20 feet (6 meters) away for 20 seconds to relax your eyes. Adjusting the brightness of the screen and expanding the size of the type to 120-150% can further reduce eye fatigue.
When you focus on computer monitors and smartphone screens, you tend to keep looking without blinking, which also causes eye strain by drying your eyes. If you blink your eyes consciously every four to five minutes, you can prevent dryness by forming a tear film on the surface of your eyes.
If you heat a wet towel in a microwave for 1 to 1 minute and apply a heat to the eyes, the blood vessels expand to help relieve eye fatigue and help the eye health.