[App] 夜間護眼神器：f.lux & EasyEyes

https://justgetflux.com/

低頭族眼症 - 手機衍生的新視力問題 http://pansci.asia/archives/94009
Free for Mac OS X. Read about our new features over here.

(also available for Windows, Linux , and iPhone/iPad)
EasyEyes：
https://play.google.com/store/apps/details?id=com.palmerin.easyeyesfree&hl=zh_TW