你即將離開本站

並前往https://www.medicalnewstoday.com/articles/321536

20-20-20 rule: How to prevent eye strain - Medical News Today

The 20-20-20 rule says that after spending 20 minutes on the computer, a person should spend 20 seconds looking at an object 20 feet away.

確定！ 回上一頁

查詢 「20 Minutes」的人也找了：

  1. 20 minutes later
    2.
  2. Le Figaro
    3.
  3. 20 Minutes timer
    4.
  4. Le Parisien
    5.
  5. Le Monde
    6.
  6. Le Point
    7.
  7. Journal France
    8.
  8. Franceinfo
    9.