Diagnosing autism can be a lengthy and expensive process, sometimes taking years. Now a new app being tested in Australia could help make the process a whole lot faster. A simple blink could hold the key to diagnosing autism. WATCH THE VIDEO ABOVE: New app could fast-track autism diagnosisKnow the news with the 7NEWS app: Download today ArrowNeuroscientists are creating a new tool called BlinkLab. The app plays a video with a series of unexpected sounds while capturing facial reactions on the phone’s front camera.