A new app called "Look at Me" is a tech-based training tool that helps kids with autism gain ground in this area. Kids can complete game-based missions designed to help them express their emotions, interpret facial expressions and work toward making eye contact.
The app was first tested by 20 children for eight weeks. 60% of the kids who participated showed improvement in making eye contact. Here's more info. about the app.
Here are some more articles about autism.