Mydriasis Mydriasis Mydriasis () is the dilation of the pupil, usually having a non-physiological cause, or sometimes a physiological pupillary response. Non-physiological causes of mydriasis include disease, trauma, or the use of drugs. Normally, as part of the pupillary light reflex, the pupil dilates in the dark and constricts in the light to respectively improve vividity at night and to protect the retina from sunlight damage during the day. A "mydriatic" pupil will remain excessively large even in a bright environment. The excitation of the radial fibres of the iris which increases the pupillary aperture is referred to as a mydriasis.
Net-widening effect those institutions did not exist. Or diversion programs may simply cause an overall increase in the numbers of young people having contact (formal or informal) with the criminal justice system, even if they do not end up in prison. Net-widening effect A net-widening effect is when administrative or practical changes result in a greater number of individuals being controlled by the criminal justice system. Many policies and practices makes it easier for the government to expand the scope of its ability to catch and punish those who have committed crimes or are deemed to be at high risk of committing