The large spectrum of syndromes related to functional visual disturbances is an important topic for both ophthalmologists and neurologists. Because of the diversity of these medical conditions, the clinician faced with such cases should thoroughly investigate the patient in order to exclude a structural disorder of the eye, visual pathways or cerebrum. The patient’s medical condition is best approached when a multidisciplinary team of experts in ophthalmology and neurology is involved. In this paper, we present the case of a patient who suffers from visual snow syndrome, a very rare type of functional visual disturbance and who does not have currently an optimal treatment. In our continuous struggle to diagnose and treat diseases, we must always consider the advice of our fellow colleagues, and remember that we have a duty to the patient