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)
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What is the digital divide?41 secDisclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy

