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

3 years ago

A muscle located on the anterior surface of the thigh will ________ the knee, whereas a muscle on the posterior surface will ___

KengaRu [80]

Answer:

Extend, flex.

Explanation:

Muscle can be defined as the soft tissue that helps in the movement of the body and controls the body coordination. Three main types of body tissue are smooth muscle, cardiac muscle and skeletal muscle.

The muscles also perform the extension, flexion, adduction and abduction of the body parts. The anterior surface of the muscles located on thigh hwlps in the body extension. The muscles located on the posterior surface of the thigh helps in the flexion of the knee.

Thus, the correct answer is extend, flex.

6 0

3 years ago

What is the primary site for absorption of nutrients?

vova2212 [387]

Small Intestine, mainly Jejunum and Ileum

4 0

3 years ago