1. Mele ML, Federici S. Gaze and eye-tracking solutions for psychological research. Cogn Process 2012; 13 Suppl 1: S261-5.

2. Duchowski AT. Diversity and types of eye tracking applications. In: Eye Tracking Methodology: Theory and Practice. Cham, Springer International Publishing. 2017, pp 247-8. 3. Diefendorf AR, Dodge R. An experimental study of the ocular reactions of the insane from photographic records. Brain 1908; 31: 451-89.

4. García-Blanco A, Salmerón L, Perea M, Livianos L. Attentional biases toward emotional images in the different episodes of bipolar disorder: an eye-tracking study. Psychiatry Res 2014; 215: 628-33.

5. Tseng PH, Cameron IG, Pari G, Reynolds JN, Munoz DP, Itti L. High-throughput classification of clinical populations from natural viewing eye movements. J Neurol 2013; 260: 275-84.

6. Wang S, Jiang M, Duchesne XM, Laugeson EA, Kennedy DP, Adolphs R, et al. Atypical visual saliency in autism spectrum disorder quantified through model-based eye tracking. Neuron 2015; 88: 604-16.

7. Crutcher MD, Calhoun-Haney R, Manzanares CM, Lah JJ, Levey AI, Zola SM. Eye tracking during a visual paired comparison task as a predictor of early dementia. Am J Alzheimers Dis Other Demen 2009; 24: 258-66.

8. Harezlak K, Kasprowski P. Application of eye tracking in medicine: a survey, research issues and challenges. Comput Med Imaging Graph 2018; 65: 176-90.

9. Derwenskus J, Rucker JC, Serra A, Stahl JS, Downey DL, Adams NL, et al. Abnormal eye movements predict disability in MS: two-year follow-up. Ann N Y Acad Sci 2005; 1039: 521-3.

10. Samadani U, Farooq S, Ritlop R, Warren F, Reyes M, Lamm E, et al. Detection of third and sixth cranial nerve palsies with a novel method for eye tracking while watching a short film clip. J Neurosurg 2015; 122: 707-20.

11. Hwang CS, Weng HH, Wang LF, Tsai CH, Chang HT. An eye-tracking assistive device improves the quality of life for ALS patients and reduces the caregivers' burden. J Mot Behav 2014; 46: 233-8.

12. Inoue T, Masai N, Shiomi H, Oh RJ, Uemoto K, Hashida N. Feasibility study of a non-invasive eye fixation and monitoring device using a right-angle prism mirror for intensity-modulated radiotherapy for choroidal melanoma. J Radiat Res 2017; 58: 386-96.

13. Goodwin A, Salomone S, Bolton P, Charman T, Jones EJH, Pickles A, et al. Attention training for infants at familial risk of ADHD (INTERSTAARS): study protocol for a randomised controlled trial. Trials 2016; 17: 608.

14. Tien T, Pucher PH, Sodergren MH, Sriskandarajah K, Yang GZ, Darzi A. Eye tracking for skills assessment and training: a systematic review. J Surg Res 2014; 191: 169-78.

15. Kelly BS, Rainford LA, Darcy SP, Kavanagh EC, Toomey RJ. The development of expertise in radiology: in chest radiograph interpretation, "expert" search pattern may predate "expert" levels of diagnostic accuracy for pneumothorax identification. Radiology 2016; 280: 252-60.

16. Harrison TK, Kim TE, Kou A, Shum C, Mariano ER, Howard SK. Feasibility of eye-tracking technology to quantify expertise in ultrasoundguided regional anesthesia. J Anesth 2016; 30: 530-3.

17. Borg LK, Harrison TK, Kou A, Mariano ER, Udani AD, Kim TE, et al. Preliminary experience using eye-tracking technology to differentiate novice and expert image interpretation for ultrasound-guided regional anesthesia. J Ultrasound Med 2018; 37: 329-36.

18. Schulz CM, Schneider E, Kohlbecher S, Hapfelmeier A, Heuser F, Wagner KJ, et al. The influence of anaesthetists' experience on workload, performance and visual attention during simulated critical incidents. J Clin Monit Comput 2014; 28: 475-80.

19. King R, Hanhan J, Harrison TK, Kou A, Howard SK, Borg LK, et al. Using eye tracking technology to compare the effectiveness of malignant hyperthermia cognitive aid design. Korean J Anesthesiol 2018; 71: 317-22.

20. Jungk A, Thull B, Hoeft A, Rau G. Evaluation of two new ecological interface approaches for the anesthesia workplace. J Clin Monit Comput 2000; 16: 243-58.

21. Spaeth J, Schweizer T, Schmutz A, Buerkle H, Schumann S. Comparative usability of modern anaesthesia ventilators: a human factors study. Br J Anaesth 2017; 119: 1000-8.