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
Endoscopes can be passed into the large intestine (colon) through the rectum to examine this area of the intestine. This procedure is called sigmoidoscopy or colonoscopy depending on how far up the colon is examined.
Answer: Osteomyelitis
Explanation:
inflammation of the bone marrow and adjacent bone (oste/o means bone, myel means bone marrow, and -itis means inflammation).
Answer:
If two runners take the same amount of time to run a mile, they have the same velocity. Velocity is defined as "the rate at which an object changes its position."
Answer:
to lower the risks of health problems in the near future if your unsafe by means of how you eat or how you spend your days.
Explanation: