Mydriasis iris sphincter, composed of circularly arranged muscle fibers, and the iris dilator, composed of radially arranged muscle fibers. The sphincter is innervated by (signaled by nerves of) the parasympathetic nervous system, and the dilator by the sympathetic nervous system. Sympathetic stimulation of the adrenergic receptors causes the contraction of the radial muscle and subsequent dilation of the pupil. Conversely, parasympathetic stimulation causes contraction of the circular muscle and constriction of the pupil. The mechanism of mydriasis depends on the agent being used. It usually involves either a disruption of the parasympathetic nerve supply to the eye (which normally constricts the
What Is a Man Without a Moustache? in New York City on May 25, 2006. At the 53rd Pula Film Festival, the film won the Golden Gate of Pula award as the audience's favourite. At the same festival, Cvitešić won the Golden Arena award for Best Actress in a Leading Role and Tamara Obrovac won the award for Best Music Score. In addition to winning at Pula, Cvitešić also won the Best Actress Award at the 11th Sarajevo Film Festival. "What Is a Man Without a Moustache?" received generally positive reviews from critics. As of March 9, 2010, aggregate review website Metacritic registered a normalized rating of