CBSE 2026 results are out, Mukul scored a perfect 100/100 in Computer ScienceSee all toppers →

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

ProblemFix
Eye strain20-20-20 rule
Text neckphone up
Addictionscreen 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

Voice-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.

Want a plan that actually fits your board dates?

Ask Kajal Ma'am directly, 20+ years teaching computer science. Free demo class first, no payment.

Talk to Kajal Ma'am on WhatsApp

Or see the Class 12 Computer Science course →

Studying outside India?

We coach CBSE, IGCSE & international students across the globe, one-to-one, in your local time zone.

Visit International →