KwickClips Computer Science · 39 sec · free
What is the 20-20-20 rule?
Short answer. Every 20 minutes, look 20 feet away for 20 seconds.
What causes text neck?
Bending your head over a phone.
Screen health
| Problem | Fix |
|---|---|
| Eye strain | 20-20-20 rule |
| Text neck | phone up |
| Addiction | screen limits |
Remember
| Break every 20 minutes |
Neck pain and dry eyes after scrolling? Three common problems. Eye strain needs the twenty twenty twenty rule. Text neck needs the phone at eye level. Addiction needs screen limits. Remember. Take a break every twenty minutes.
This clip is from the full lesson: Technology and Society: Health, Gender and Disability Issues — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Computer Applications (165), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083), CBSE Class 12 Informatics Practices (065)
More KwickClips from this lesson
Who wrote an early computer program?40 sec
What does a screen reader do?40 sec
What is the digital divide?41 secVoice-over is AI-generated; the script is written and checked by Kajal Ma'am. Confirm anything you plan around against your official board document. We never ask for a password or an OTP.

