NOTE TO STUDENTS: Read the "Background" below the questions and watch the video under "Resources" to gain a clearer understanding of RT and the Argus II.

1. a) What is retinitis pigmentosa? Be specific.
b) How many people in the U.S. are affected with this disease? What percent of the U.S. population is this?

2. What does the Argus II do? How does it work?

3. Who is eligible to try this device?

4. How has the Argus II helped the people who have been given the device?

5. a) Who developed the Argus II? When did he do so?
b) How do doctors like Dr. Greenberg, and Dr. Andrew Lee (lead surgeon in the successful double arm transplant surgery on injured soldier Brendan Marrocco) inspire you?