Table 2.

Foveal and Parafoveal Flicker Modulation Sensitivity (FMS) Measured in the 5 Degrees Central Visual Field at Photopic and Mesopic Light Conditions

	Flicker Modulation Sensitivity (Log Units)
Stimulus Locations	Photopic	Mesopic	P Value
Central fovea	1.46 ± 0.13 (1.13, 1.74)	1.26 ± 0.12 (1.00, 1.49)	<0.001
Parafovea
Overall	1.40 ± 0.08 (1.21, 1.56)	1.31 ± 0.09 (1.10, 1.52)	<0.001
Superior	1.41 ± 0.07 (1.25, 1.56)	1.32 ± 0.09 (1.10, 1.54)	<0.001
Inferior	1.38 ± 0.09 (1.16, 1.56)	1.31 ± 0.09 (1.11, 1.53)	<0.001
Global	1.41 ± 0.08 (1.22, 1.56)	1.30 ± 0.09 (1.13, 1.50)	<0.001

Mean ± SD (min, max).