Table 4.

Variance between baseline and month 4 follow up

Domain (Mean ± SD (N))	Baseline	Month 4 follow up	Mean*	P-value**
General_ health	43.75 ± 21.57 (N = 48)	44.79 ± 21.24 (N = 48)	1.04	0.8848
General_ vision	40.83 ± 21.2 (N = 48)	55.00 ± 22.03 (N = 48)	14.17	0.0004
Ocular_ pain	65.63 ± 26.86 (N = 48)	66.67 ± 27.81 (N = 48)	1.04	0.9286
Near_ activities	40.28 ± 22.17 (N = 48)	56.68 ± 24.38 (N = 48)	16.41	< .0001
Distance_ activities	52.69 ± 25.46 (N = 48)	61.98 ± 26.36 (N = 48)	9.29	0.0242
Social _functioning	63.54 ± 26.02 (N = 48)	77.60 ± 23.20 (N = 48)	14.06	0.0011
Mental_ health	27.73 ± 29.82 (N = 48)	50.95 ± 31.66 (N = 48)	23.22	< .0001
Role_ dificulties	38.28 ± 26.97 (N = 48)	48.18 ± 31.89 (N = 48)	9.9	0.0489
Dependency	48.61 ± 33.21 (N = 48)	68.75 ± 35.21 (N = 48)	20.14	< .0001
Driving	70.83 ± 14.43 (N = 03)	90.63 ± 6.25 (N = 04)	–***	–***
Color_ vision	73.44 ± 24.95 (N = 48)	83.33 ± 22.68 (N = 48)	9.9	0.0124
Peripheral_ vision	64.36 ± 26.45 (N = 47)	71.28 ± 23.88 (N = 47)	6.91	0.0960
Composite_ Score	50.92 ± 18.07 (N = 48)	62.42 ± 19.01 (N = 48)	11.5	< .0001

^* Diference Between Baseline and Month 4 follow up

^** Wilconson test for paired sample. Null hypothesis: median is zero

^*** Frequency is less than enough to calculate