Depending upon the onset of the condition, there are two types of nystagmus:
Congenital Nystagmus or Early-onset Nystagmus: This type of nystagmus eye occurs between 0-6 months of age. Usually, in congenital nystagmus, pendular movements are noticeable with strikingly low vision.
Acquired Nystagmus or Late-Onset Nystagmus: This type of nystagmus eye surfaces beyond the age of six months.