Mydriasis disorders e.g. epilepsy, stroke, and impending brain herniation are known to lead to temporal mydriasis as well. A brain catastrophe, or a rapidly increasing brain mass, can cause compression of the oculomotor nerve. In cases of head injury or orbit trauma (eye injury), the iris sphincter (the muscle responsible for closing the pupil) or the nerves controlling it can be damaged, reducing or eliminating the normal pupillary light reflex. A mydriatic is an agent that induces dilation of the pupil. Drugs such as tropicamide are used in medicine to permit examination of the retina and other deep structures of the
The Widening Gyre (album) Donegal Jig" 11. "Lurgy Streams" (song) 12. "The Triple T" (a.k.a. "Thomas Tourish's Tune") 13. "Far beyond Carrickfinn" (song) «Áit shéimh gan smál—slán slán go fóill—macalla do ghlór ar feochan na gaoithe.» «A glentle unblemished place—goodbye for now—the echo of your voice on the breath of the breeze.» 14. "The Road Home" (slow house) Prior to the release of "The Widening Gyre", Altan had already played live in concert (at least) one track from the new album, "The Tin Key/Sam Kelly's Jig/The Gravediggers (Jigs)", during (at least) one of their 2014 shows (i.e. their last show of 2014: on 5