It is use by Eye Care Professionals To check the eyesight of a person.
If u would have visited a eye care centre u would have noticed a chart like this--
If a person can see all the letters from a distance his eyesight is Perfect.If that person misses a letter or a line from the grid eye treatment or spectacles are given to the person for improving their eyesight
2,500 is the answer hope this helps.
Can i have brainlist
Answer: all of the above!
Answer:
https://www.pinterest.com/pin/451134087671358046
Explanation:
It's the labelled diagram
C.) connecting with new people