Shwe-Tin, A. ., Smith, G. ., Checketts, D. ., Murdoch, I. ., & Taylor, D. . (2012). Evaluation and calibration of a binocular infrared pupillometer for measuring relative afferent pupillary defect. Journal of Neuro-Ophthalmology : The Official Journal of the North American Neuro-Ophthalmology Society, 32(2), 111-5. https://doi.org/10.1097/WNO.0b013e31823f45e5