Please Need Information

My husband is 25 years old and I am trying to help him find a career that he would enjoy doing. However my husband served 6 years in the Marine Corps. While serving he was injured twice he has a few injuries that I am trying to find out if he could be a firefighter with them. My main concern is his vision he has 20/20 in his left eye but do to the IED he lost vision in his right eye. I have searched the internet and all that comes up is colorblindness. Please help my husband is not the type of person that wants to sit behind a desk. He is very strong and makes up for the injuries that might hinder others he makes the most of them. Any input would be a great help.

Thank you