Iris sphincter muscle Iris sphincter muscle The iris sphincter muscle (pupillary sphincter, pupillary constrictor, circular muscle of iris, circular fibers) is a muscle in the part of the eye called the iris. It encircles the pupil of the iris, appropriate to its function as a constrictor of the pupil. It is found in vertebrates and some cephalopods. Initially, all the myocytes are of the smooth muscle type but, later in life, most cells are of the striated muscle type. Its dimensions are about 0.75 mm wide by 0.15 mm thick. In humans, it functions to constrict the pupil in bright light (pupillary light
The Light That Floods great deal of potential, and they deserve every good thing that comes their way as a result of this release." Dave Wood, awarding the album four and a half stars at Louder Than the Music, writes, "Rarely does a debut album offer such a rich selection of songs. Musically enjoyable, lyrically intense and thoroughly brilliant, this is an album oozing talent and quality. The Remission Flow know how to combine their song writing and performing abilities to produce something a little bit special." The Light That Floods The Light That Floods is the first studio album by The Remission Flow.