Table 6: Comparison of mean difference after 12 weeks between experimental group and control group (n=50).

Groups Mean SD t p-value
Opened eyes
Experiment
Control

9.57
6.43

8.69
6.21

2.075*

.041
Closed eyes
Experiment
Control

4.18
5.25

3.49
1.16

3.714**

.000