Get to know blue light. What are the negative effects of staring at it for long periods of time on your eyes?
Blue light is the light that we see every day. We can find it in both sunlight and man-made light such as computer screens, mobile phones, tablets, TVs, LED light bulbs, etc.is good and blue light is harmful.
Blue light is not a bad thing, you just need to understand the working principle. And the benefits of blue light are also good for our bodies. If you have raised that is bad, it is actually not true. From research reports. It has been found that high-energy visible light increases alertness, helps with memory and cognition, and improves mood. In fact, something called light therapy is used to treat seasonal affective disorder.
Which is considered a type of depression related to the change of seasons. Symptoms usually start in the fall and continue into the winter. The light source for this therapy emits bright white light that contains a lot of HEV blue light radiation.
In addition, blue light is also important.
- Much of it helps regulate the body’s natural sleep-wake cycle. Exposure to blue light during the day helps maintain a healthy circadian rhythm. It must be said that despite the dangers, there are also some advantages to it.
- As for the blue light, it is a danger that we may have heard about often. The main cause is from playing with mobile phones and computers for a long time. This is not wrong because the harmful blue light works in the wavelength range of 415 to 455 nm. This frequency is a frequency that can pass through the eyes from the cornea, lens, and even the retina. When this wavelength works, it will be harmful to the eyes and will give you warning signs, such as eye pain, eye strain, dry eyes, blurred vision, eye irritation, tearing, abnormal vision, and in addition, it can also cause retinal degeneration in the future.
How to deal when you have to work or play with your phone for a long time
- Avoid being in areas with คาสิโนออนไลน์ UFABET ฝากถอนรวดเร็ว เริ่มต้นเล่นง่าย very bright light, or if you can’t avoid it, you should find protective equipment, such as using an umbrella in bright outdoor sunlight, wearing sunglasses, or wearing a hat.
- Wear glasses withlenses when in front of IT devices.
- Install a light filter on various IT devices, such as laptops, computers, and mobile phones.
- You should rest your eyes periodically. The formula is every 20 minutes, take a 20-second break by looking outside 20 feet away to relax your eyes.
- When using a computer or mobile phone, you should adjust the screen brightness so that it is not too bright or too dark.
- Do not use IT devices in dark places. Just turn on your mobile phone or computer.
- Because that will expose your eyes and make it difficult for you to sleep.
- Use artificial tears to prevent dry eyes.
- You should have an eye examination at least once a year to measure your vision and if you find any abnormalities, consult a doctor immediately for treatment.
- You should eat foods that help nourish your eyes, such as cabbage, spinach, peas, corn, etc.