Nystagmus is a condition where your eyes shake involuntary from side to side, up and down, or in a circular motion. These movements are uncontrollable which can be very frustrating for the person experiencing them, especially as it can also affect your visual acuity. There are around 2 per every 1,000 people who suffer with nystagmus to some degree. Nystagmus can vary in its severity and in how it manifests itself. We’re going to look at the different types of nystagmus, what causes them, and how you may be able to reduce some of the symptoms and effects on your vision.