Table 2.

Atrophy Versus Healthy Regions

Test	Channel	Healthy Control (Outer Ring)	Atrophy (Manual Mask)	P
Independent sample t-test; healthy controls (n = 37) vs. patients (n = 219)	SSC	248 ± 50 ps	379 ± 183 ps	0.001
	LSC	281 ± 50 ps	434 ± 156 ps	0.001
Test	Channel	Unaffected Areas (Manual Mask)	Atrophy (Manual Mask)	P
Paired sample t-test; patients (n = 219) vs. patients (n = 219)	SSC	226 ± 81 ps	379 ± 183 ps	0.001
	LSC	299 ± 89 ps	434 ± 156 ps	0.001

Comparison of FLIO lifetimes between healthy controls and eyes affected with atrophy, and between unaffacted and atrophic areas within the same eye. The P-values, printed in bold letters, indicate the level of significance.