Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Facet terms and their keywords used for database searching.
| Number assigned to facet | Facet | Keywords | Boolean |
|---|---|---|---|
| 1 | Optometrist |
Optometrist(s) OR Optometry OR Primary eye care OR Primary eye clinic(s) OR Optician(s) |
1 AND 2 |
| 2 | Referral practice | Referral(s) |
