Table 3.

Scotopic and mesopic vertical and horizontal pupil diameter changes during follow-up

	Scotopic		Mesopic		PD Amplitude		Vertical/Horizontal PD ratio
	V	H	V	H	V	H	Scot	Mesop
Baseline	4.4 ± 1.0	4.9 ± 0.7	4.1 ± 1.1	4.4 ± 1.0	0.31 ± 0.41	0.29 ± 0.41	0.90 ± 0.06	0.90 ± 0.06
Month 1	4.5 ± 0.7	4.8 ± 0.7	4.4 ± 0.8	4.8 ± 0.7	0.06 ± 0.38*	0.02 ± 0.22**	0.94 ± 0.04§	0.93 ± 0.07§
Month 3	4.6 ± 0.7	5.2 ± 0.8	4.5 ± 0.9	4.8 ± 0.8	0.19 ± 0.44	0.44 ± 0.56	0.89 ± 0.09	0.94 ± 0.05
Month 6	4.6 ± 1.0	5.2 ± 1.0	4.3 ± 1.1	4.7 ± 1.1	0.23 ± 0.37	0.34 ± 0.50	0.90 ± 0.08	0.91 ± 0.06
PD, mean pupil diameter; H, horizontal diameter; V, vertical diameter; Mesop, V/H PD ratio in mesopic conditions; Scot, V/H PD ratio in scotopic conditions. Mean values and corresponding standard deviations are depicted. PD amplitude was calculated as “scotopic vertical PD minus mesopic vertical PD” and “scotopic horizontal PD minus horizontal PD”, respectively. Vertical/Horizontal PD ratio was calculated as “scotopic vertical PD divided by scotopic horizontal PD” and “mesopic vertical PD divided by mesopic horizontal PD”, respectively p values are considered versus baseline: * p < 0.05, ** p = 0.01, § p = 0.07.