Table 1.

Mean values of directionality (ρ) with standard error.

Layers	Abca4−/−		WT
	H	V	H	V
ILM/NFL	0.240 (± 0.025)	0.232 (± 0.022)	0.265 (± 0.018)	0.274 (± 0.014)
ELM	0.222 (± 0.025)	0.219 (± 0.057)	0.247 (± 0.015)	0.263 (± 0.011)
IS/OS	0.018 (± 0.010)	0.023 (± 0.004)	0.026 (± 0.005)	0.039 (± 0.008)
RPE/BrM	0.171 (± 0.013)	0.184 (± 0.025)	0.041 (± 0.015)	0.052 (± 0.012)