. "00337605-n"^^ . . "100321988"@en-us . "involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders"@en-us . . "nystagmus"^^ . "nystagmus"@en-us . "0"^^ . "0.625"^^ . . "100337605"^^ . . . . . .