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

8 0

2 years ago

1. What are diagnostics? How is this related to the health sciences?

professor190 [17]

Medical diagnosis is the process of determining which disease or condition explains a person's symptoms and signs.It basically enables the doctor understand what disease is the patient going through.

Diagnosis is often challenging, because many signs and symptoms are nonspecific and different diseases also have them.

For example, redness of the skin is a sign of many disorders and thus does not tell the healthcare professional what is wrong.

7 0

3 years ago