Functional imaging is a newly arisen interdisciplinary subject compared with the routine radiology displaying anatomy and morphology of lesions.It can exhibit the functionchanged information, such as blood flow and metabolism of organs and tissues as visual images or data to provide organizational functions and metabolic information, which makes early diagnosis, more accurate orientation, qualitative definition,and also the prognosis judgment.The ophthalmologists should pay more attention to the functional imaging applications in the field of neuro-ophthalmology.
