Table 3. A comparison of cup:disc ratio values between referring CGRS optometrists and HES.
| CDR | Referred (%) | Hospital (%) |
|---|---|---|
| <0.3 | 7 | 14 |
| 0.3–0.5 | 28 | 30 |
| >0.5 | 65 | 52 |
| 4 not documented |
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.