highly significantp < 2e-16
There was a highly significant effect of time for both sides ( p < 2e-16).
There was a highly significant effect of time for both sides ( p < 2e-16).
Although a group effect of red light improvement was evident on the ipsilateral side ( p = 0.026, linear mixed effects model with repeated measures), this failed to reach significance on the contralateral side ( p = 0.055).