Mydriasis eye, and also to reduce painful ciliary muscle spasm (see cycloplegia). One effect of administration of a mydriatic is intolerance to bright light (photophobia). Purposefully-induced mydriasis via mydriatics is also used as a diagnostic test for Horner's syndrome. Mydriasis can be induced via modulation of adrenergic or cholinergic signalling. Within the adrenergic system, norepinephrine is a hormone and neurotransmitter responsible for regulating physiological processes in the body, including the involuntary muscles of the autonomic nervous system (such as the dilation or constriction of the pupil aperture via the muscles of the iris). Modulation of norepinephrine signalling can induce mydriasis. For
The Widening Gyre (album) Poison Glen". On 5 February 2015, before its release, "The Widening Gyre" was awarded full marks by The Irish Post's columnist Joe Giltrap, describing the album as "a really nicely balanced album", "an album of pure quality", "a great album from a great band". The album received a very positive review from the New York-based Irish Voice's music critic Paul Keating, writing: "[Would] Altan have shared stages and off-hours sparks with a wealth of kindred musical spirits from both sides of the Atlantic and the Irish Sea [over the past thirty years], the recording shows that depth and creativity with