. "0"^^ . . . . . "physiological nystagmus"@en-us . . . "small involuntary tremors of the eyeballs; when it is eliminated by stabilizing the image on the retina, visual perception fades rapidly from fatigue of the retinal receptors"@en-us . "0"^^ . "00337844-n"^^ . . "100322240"@en-us . "physiological nystagmus"^^ . . "100337844"^^ .