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.
| Journal (No.) | Format, No. (%) | |
|---|---|---|
| Snellen | Non-Snellen | |
| American Journal of Ophthalmology (190) | 63 (33.2) | 127 (66.8) |
| JAMA Ophthalmology (162) | 123 (75.9) | 39 (24.1) |
| Ophthalmology (203) | 95 (46.8) | 108 (53.2) |
| Retina (252) | 115 (45.6) | 137 (54.4) |
| Total (807) | 396 (49.1) | 411 (50.9) |
