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.
An optometrist (OD) is an eye doctor who performs comprehensive eye exams, prescribes eyeglasses and contact lenses for vision correction, and provides pre-and post-operative care for patients undergoing LASIK and other eye surgery performed by an ophthalmologist.