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.
Swept-source microscope-integrated optical coherence tomography four-dimensional (three-dimensional across time) sequence during scleral tunneling. The 23-gauge needle (red arrows) advancing from the surface of the sclera (a), through the sclera into the anterior chamber (b), and to its deepest point in the anterior chamber (c), creating a scleral tunnel for subsequent tube shunt placement
