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.
Both independent optometrists, as well as Walmart-employed optometrists, offer complete eye exams to diagnose vision conditions as well as eye diseases. Rest assured, every doctor that Wal-Mart hires or contracts is licensed and a fully certified optometrist, and in some cases ophthalmologists.