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