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.
The number of participants who were originally fit in each contact lens type, and what they were wearing at the end of the three-year study.
| Single Vision | +1.50 D add | +2.50 D add | |
|---|---|---|---|
| Originally fit in (n=294) | 98 | 98 | 98 |
| Withdrew (n=2) | 1 | 1 | 0 |
| Lost to follow-up (n=5) | 1 | 1 | 3 |
| Wearing spectacles (n=14) | 7 | 3 | 4 |
| Wearing other contact lens than assigned (n=3) | 0 | 0 | 3 |
| Wearing assigned contact lenses (n=270) | 89 | 93 | 88 |
