A nurse is setting up a vision-screening program for a new school. At what age will vision be 20/20 in children?
A. 4 years old
B. 5 years old
C. 6 years old
D. 7 years old
A nurse is setting up a vision-screening program for a new school. At what age will vision be 20/20 in children?
A. 4 years old
B. 5 years old
C. 6 years old
D. 7 years old