Well, I should say, eye strain and fatigue are caused by your long use of iMac. Staring at computer for 8 to 9 hrs per day is truly dangerous since you eyes can’t bear it even you’ll take a break for every 10 mins. Apart from eye fatigue, your eyes will be easily affected by blue light emitted from your iMac screen. Not only for iMac screen, your eyes can be damaged by the long staring at smartphone or TV screen.
Surveys showed that computer, smartphones, tablets, and other electronic devices’s screen would emit blue light which wave length is from 446nm to 464nm, that is harmful to our eyes, behaves as eyes uncomfortable, eyesight reduction, eyes strain, even eye diseases. It can even disorder your sleep and then damage your health.
Here are tips you can help you reduce eye strain and block blue light:
1. Reduce the time sitting in front of a computer and free your eyes from LED screens. Doing eye exercises.
2. Eat green, which means you should have a healthful diet.
3. With the help of a third party assistant like a pair of computer eyewear sunglasses to reduce eye fatigue and harm. Some computer sunglasses are especially designed to filter blue light and UV.
4. Some Apps are claimed to protect your eyes by filtering blue light. For computer, there is also a useful app called f.lux. to not only block blue light, but match the amount of blue light emitted according to the time of day. It includes two versions for Windows and Mac.
If you are interested in more info about how to protect your eyes from blue light, click here to know: http://blog.halovis.com/how-to-protect-your-eyes-from-blue-light/