Patient: Description (time of onset, main symptoms, hospital visited, etc.): Can’t see clearly Fast pupil dilatation Is it better to dilate quickly or slowly, and does it have any effect on the child’s eyes Qixiaoli, Ophthalmology, Tianjin Medical University Eye Center: First of all, dilatation is not harmful to the child, only temporary blurred vision and photophobia, the pupil shrinks back to normal size symptoms can disappear; if only refractive error, fast dilatation is fine, if combined with internal obliquity, it is recommended that atropine fully paralyze the ciliary muscle.