The main difference between neonatal double vision and dementia is that the symptoms are not the same. Dementia is a transient behavior, while double vision lasts longer and is accompanied by the disappearance of the pupillary light reflex and empty eyes. Neonatal double gaze may be the central nervous system lesions, such as epilepsy, clinically, in addition to the above, will be accompanied by expression of stagnation, behavioral symptoms such as sudden stop, which will last longer. And the daze belongs to transient behavior, usually will soon return to normal. If a newborn baby has a prolonged double gaze, it is necessary to go to the hospital in time for relevant examinations, after clarifying the cause of the disease and actively treating the symptoms, the prognosis is better.