dr. michael furlong, he doesn't have to. >> i think it's the right thing to do. i think that giving back to people who just have that need is just the right thing to do. >> a little bit of cool water here. good. >> reporter: dr. furlong has been setting aside one day a year for the past 15 years to correct the vision of people who otherwise wouldn't have access to the surgeries they need. >> don't move, real still, everything's going great. >> reporter: over the years, he's helped 150 developmentally disabled, low income, and more recently veterans get better eyesight. >> we basically called a few nonprofits in the area and said, we'd like to work with you. this is the pitch. this is the idea i have. how you doing? >> reporter: the benefit, dr. furlong says he has learned, is not just the improved vision of his patients, but what they do with it. this year, it's people like desiree, who says better eyesight will help her keep her job in health care. >> because now i have to depend on my memory, how to do things, rather than actually what i can see. >> reporter: o