Fig. 2From: A computerized red glass test for quantifying diplopiaCorrelation of the diplopia severity index with the Hess test. The degree of diplopia measured by the computerized red glass test (CRT) was correlated with the results of the Hess score (r = 0.719, p = 0.005) (a) and the Hess area ratio (r = −0.620, p = 0.018) (b)Back to article page