There was no link between the severity of symptoms and the degree of dilation of the pupil, suggesting that the tesi can spot sufferers relatively early. (newscientist.com)
Are Dogs That Are Fed from a Raised Bowl at an Increased Risk of Gastric Dilation Volvulus Compared with Floor - Fed Dogs? (veterinaryevidence.org)
It uses an eye tracker, mounted on the Glass frame, to measure the pupil dilation of the wearer. (newscientist.com)