Voluntary nystagmus is a condition where a person can intentionally move their eyes in a rhythmic manner, similar to involuntary nystagmus. Rather than being caused by an underlying medical issue, voluntary nystagmus is an acquired skill that some people teach themselves. #nystagmus #amazinghumans #partytrick #hiddentalent #canyoudothis #stupidhumantricks #explore #viral | Dr. Joe, MD