Some sources are saying that even an OKN drum does not really test OKN but only smooth pursuit.

This is because even an OKN drum is not a full field stimulus.

Your opinion please?

#MedTwitter
#NeuroTwitter
#Neuroophthalmology 
#Optokineticnystagmus
#MedTwitter #NeuroTwitter #Neuroophthalmology #Optokineticnystagmus