Multiple choice general knowledge

Which color can improve human vision and is used in hospitals to relax patients?

  1. Blue

  2. Tanned-White

  3. Yellow

  4. Green

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Green light is easy on the human eye and can improve visual focus and comfort. Hospitals use green because it has a calming psychological effect on patients and helps reduce eye strain for medical staff during long procedures.