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Digital Eye Strain


The current world is a digital world. Whether children, adults or the elderly are all using electronic products longer and longer, they are increasingly relying on the use of electronic products. 6, 7, 8, or even more than 10 hours on the screen. Children ’s homework / games, adult work, reading / entertainment / WeChat for the elderly are all done on the electronic screen.

With the changes in our lifestyle and the rapid development of LED lighting technology, electronic screens (computers, smartphones, tablets, LED TVs, and game consoles), fluorescent lights and LED bulbs, etc., these products have a Blu-ray problem. It can be said that our future life blue light contact is everywhere.

                                                     What is Blue Ray?                                                


The light that our human eyes can see is called visible light. In the visible spectrum of red, orange, yellow, green, blue, indigo, purple, and the shortest wave is blue-violet, the wavelength of 400-500nm is called blue light. The shorter the wavelength of light, the stronger the energy, so it is also called high energy visible light (High Energy Visible Light = HEV). A large / long-term exposure is very harmful to our eyes.

Most people are not clear about the harm of blue light to our eyes.

  1. This is because blue light scatters Scatter more easily than other visible light. Some experts have found that if a large amount of exposure to blue light will produce the following symptoms: Computer Vision Syndrome (fuzzy vision, difficulty focusing, dry eyes, headaches) Make our blink count greatly reduced.

  2. The ability of our eyes to block blue light is not very good. Blue light has strong penetrating power and can pass through the cornea and lens to reach the retina. Early cataracts and retinal yellow spots degeneration (rejuvenation of eye diseases). At the same time cause insomnia, increase the risk of various physical diseases, and so on.


Of course, proper blue light is good for people's mental health, such as depression. Appropriate blue light contact can improve alertness and adjust the body's biological clock.


                        How to protect our eyes from blue light damage?                 


  • Reduce screen usage time, 20/20/20 rules, remind yourself to blink completely, use some artificial tears without preservatives properly, keep the surrounding soft lights, and maintain the correct sitting position and distance.

  • Use blue light filter screen on electronic appliances.

  • Smart phone can download and reduce Blu-ray application Apps.

  • Wear glasses with a special blue light filter film, and now many eyewear companies have launched many eye protection digital goggles.

  • Don't look at the electronic screen in the dark-Because of the strong difference between the computer screen and the environment, the eyes will need to focus harder. Also, due to the enlargement of our pupils in the dark, the use of a bright electronic screen allows blue light to enter the eyes more.

  • Patients with insomnia are better off not using electronic screens at night. If too much blue light will reduce the melatonin Melatonin, cause sleep problems and disrupt our circadian clock.

  • Add more dark vegetables and fruits, properly add lutein, Omega 3, vitamins A, C, E supplements to antioxidant is a good choice.

Eye Exam
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