Ear infections are a common occurrence in kids, causing pain, fever and, in worst cases, hearing loss. Yet up to half of all cases are misdiagnosed, due to doctors’ inability to look deep into the middle ear where infections reside. Now, the U.S. FDA has cleared the Tomi Scope, a first-in-class technology from Photonicare Inc., of Champaign, Ill., that allows doctors to not only detect the presence or absence of fluid in the middle ear but characterize the type of fluid they see.