Accuracy and Precision of the Tobii X2-30 Eye-tracking under Non Ideal Conditions Topics: Assistive Technologies; Augmentative and Alternative Communication; Brain-Computer Interfaces; Case Studies; Information Processing; Monitoring Systems and Techniques; Outcome Measures; Users’ Perception and Experience on Technologies In Proceedings of the 2nd International Congress on Neurotechnology, Electronics and Informatics NEUROTECHNIX - Volume 1, 111-116, 2014 , Rome, Italy