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 it makes a unique “ka-klack” sound. Wayne hears someone behind him mimic the “ka-klack” sound. A horrified Batman turns around to discover that Baphomet is, in fact, the villain Onomatopoeia. The book ends on a cliffhanger, as Onomatopoeia begins to slit Silver St. Cloud's throat. "Batman: The Widening Gyre" received mixed reviews from critics, as many felt that Smith's trademark brand of crude humor felt out-of-place in a "Batman" comic. Particular criticism was directed at a scene where Batman confesses to Baphomet that, during , he misjudged the power of some explosives he was using, and the resulting blast of