Before I Say Goodbye (2007)

Jim, returning from a tour of duty in the Middle East, can't adjust to the world around him. After a medical check up, he learns he is losing his vision due to chemical contact overseas. Back at home, he reunites with two friends - Evan, a perfectionist who is not living up to standards, and Sara who is alienated from her family due to an abortion. They embark on a road trip across the country where they learn to find the hope and love that could possibly lead them to a new beginning.