The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).
Drugs can cause a pupil to change in two ways by dilation making the pupil larger or constricting the pupils.â¦ Only two drugs constrict the pupils those being opiates and alcohol. So anything but, these can cause the pupils to dilate.
1 Constriction of the pupil that is excessive, relative to the amount of light the pupil receives. 2  Constriction of the pupil to a diameter of less than two millimeters. 3  Constriction of the pupil with causes including both abnormal and physiological ones.  Pupillary constriction by abnormal causes.