Table 2

Number of patients tested at entrance examination into the study and retested at annual follow-up intervals after entrance

Entrance1-year
follow-up
2-year
follow-up
3-year
follow-up
Visual acuity23181411
Retinal nerve fibre layer20141110
DT-MRI optic radiation FA191396
  • DT-MRI,¬†diffusion tensor MRI; FA, fractional anisotropy.