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Near-evoked nystagmus in spasmus nutans
Abstract:
Near-evoked nystagmus was evident in two children with spasmus nutans by clinical observation and electro-oculographic recording. In one child the nystagmus appeared to be evoked by fusional convergence and in the other by convergence-accommodation. These cases represent an atypical form of spasmus nutans in which the nystagmus is modulated by centers controlling visuomotor changes with near viewing.