Mydriasis surgery. 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
Batman: The Widening Gyre hiatuses and ran to July 2010 and Book 2 was pushed to late 2013. Ultimately, after further delays on Book 2, Smith decided to turn the second half of "Batman: Widening Gyre" into a separately titled mini-series called "Batman: Bellicosity". Following a tip from Nightwing, Batman discovers Arkham Asylum is completely overgrown with plant life. Upon investigation, Batman finds that Poison Ivy is currently in a dispute with Etrigan the Demon, and she has been turning Arkham Asylum into a fortress to protect herself. Batman and Etrigan do battle, but Batman is on the losing end. As Etrigan is about