Mydriasis surgery. Mydriasis Mydriasis () is the dilation of the pupil, usually having a non-physiological cause, or sometimes a physiological pupillary response. Non-physiological causes of mydriasis include disease, trauma, or the use of drugs. Normally, as part of the pupillary light reflex, the pupil dilates in the dark and constricts in the light to respectively improve vividity at night and to protect the retina from sunlight damage during the day. A "mydriatic" pupil will remain excessively large even in a bright environment. The excitation of the radial fibres of the iris which increases the pupillary aperture is referred to as a
This Is What You Want... This Is What You Get were not re-recorded for "This Is What You Want...This Is What You Get" (although a remixed version of "Blue Water" was included as the B-side on the "This Is Not a Love Song" 12" single). Songs on "This Is What You Want...This Is What You Get" which did not appear in any form on "Commercial Zone" are "Tie Me to the Length of That", "The Pardon" and "1981", and are the only songs on the album which do not credit Keith Levene as a co-writer. PiL was supposed to score the soundtrack for the 1983 suspense film "Copkiller", starring Harvey