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.
They are also licensed to prescribe some medications to treat certain eye diseases. Optometrists provide patients with highly specialized eye care services. Eye care included: 1  Vision services such as complete eye examinations, treatment of eye conditions such as amblyopia (lazy eye) and strabismus (crossed eyes).