Have your local health department or a lab test your water for bacteria, and If your Report shows a P next to either E.coli or Coliform Bacteria, that means there is the Presence of Bacteria & NO amount of this Bacteria is acceptable so the water MUST be treated to kill the bacteria to make it potable!
Optometrists also test for glaucoma and other eye diseases, and diagnose conditions caused by systemic diseases, such as diabetes and high blood pressure, referring patients to other health practitioners, as needed.
Optometrist carries the letter OD (doctor of optometry). They are the first of the ocular team to consult to when you have problems with your eyes. They are licensed and trained to examine, diagnose and treat specific eye conditions and ocular abnormalities.