Question

1. what is the most effective way to prevent eye strain when using a computer? (1 point)

staring at the screen without blinking

using a bright screen and sitting very close to it

following the 20-20-20 rule: look 20 feet away every 20 minutes for 20 seconds

keeping all office lights off to reduce glare

Explanation:

• Staring without blinking dries eyes, worsening strain.
• A bright screen and close distance increase strain.
• The 20 - 20 - 20 rule gives eyes rest, reducing strain.
• Turning off all lights can cause contrast issues and strain.

Answer:

C. Following the 20 - 20 - 20 rule: Look 20 feet away every 20 minutes for 20 seconds