Room light condition LED condition TAD (h) Mean error (h) S.D. N Mean error (h) S.D. N 0–9 8.9 3.5 27 9.9 7.6 14 10-19 4.5 3.1 52 7 6.5 12 20-29 4.5 2.7 51 11.2 7.8 16 30-39 10.2 5 27 10.1 8.6 6 40-48 10.2 5.5 17 11.1 14.8 6 All 6.3 4.1 174 9.7 7.6 54

Table 4: The mean error of the TAD equation, compared to actual TAD, when using the corneal color analysis from photographs taken in 2 different light conditions (room light and LED). S.D., standard deviation; TAD: Time after Death; LED: Light Emitting Diode.