1. An eye movement sensor device for ophthalmologic examination of an eye movement anomaly in a patient, the sensor comprising: a helmet worn by the patient, the helmet comprising a head covering portion and a pair of cheek-extending portions defining a central open area for leaving eyes of the patient unobstructed by the helmet; wherein when the helmet is worn by the patient, each cheek-extending portion extends from proximal to an ear of the patient laterally over a cheek portion of the patient and has a distal end proximate to a respective front face portion under the respective eye of the patient; a light projector for projecting a light spot to be tracked by the patient, the projector disposed fixedly in an upper front portion of the helmet; a pair of mirrors, each mirror disposed on a respective cheek-extending portion; and an image recorder for recording a tracking eye movement of each eye of the patient; wherein each mirror is angled to reflect a respective image of the respective eye into the image recorder.