Figure 4.
A) Opaque video glasses with an integrated camera (white arrow) used in the feasibility study. B) Letter recognition and reading tests with one of the subjects, using the camera mode.
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.