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
Batman: The Widening Gyre Batman: The Widening Gyre Batman: The Widening Gyre is the title of a 6-issue comic book limited series starring Batman, released August 2009 through July 2010. The series is written by Kevin Smith and illustrated by Walt Flanagan. The title is a reference to the William Butler Yeats poem "The Second Coming". The series was initially planned as 12 issues, with a long break planned between issues six and seven. After issue six was published, Smith and Flanagan's work on their reality show, "Comic Book Men", extended this planned break further than expected. It was decided in the interim to