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
The Widening Gyre (album) a fantastic collection of traditional Gaelic songs mixed in with Irish jam regulars. The band is joined by many special guests in this collection of upbeat lively jam tunes as well as slower songs sung by Mairéad Ní Mhaonaigh. [...] This CD is a great mixture of what you would expect from a traditional Irish band combined with American influences." In the May–June 2015 issue of (French magazine) Trad' Mag, folk critic Philippe Cousin awarded "The Widening Gyre" full marks (giving the album a "Bravo!!!" award), stating: "If Donegal is still part of it here, bluegrass colours dot here and