Mydriasis (/máµ»ËdraÉª.ÉsÉªs/) is the dilation of the pupil, usually defined as when having a non-physiological cause, but sometimes defined as potentially being 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.
The Cold War Museum. The Strategic Defense Initiative (SDI): Star Wars. The Strategic Defense Initiative (SDI), also known as Star Wars, was a program first initiated on March 23, 1983 under President Ronald Reagan. The intent of this program was to develop a sophisticated anti-ballistic missile system in order to prevent missile attacks from other countries, specifically the Soviet Union.
Unit 11: The Cold War. The alliance which won WWII was a shaky one at best. The U.S.S.R. and the U.S. were allies of necessity not of ideology.Even as the war drew to a close it was clear that a new, more protracted conflict was on the horizon between the pro-democracy Western Powers and the pro-communism Eastern Bloc nations.Truman and Churchill saw in Stalin a great threat to the security of democracies everywhere; Stalin saw the West in a similar light.U.S. General George S. Patton, before his death, advised that the U.S. simply invade the Soviet Union and resolve the conflict while American military strength was at a peak.he alliance which won WWII was a shaky one at best. The U.S.S.R. and the U.S. were allies of necessity not of ideology.