Flickering lights in vision, Headache and Sudden flash of lights. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms flickering lights in vision, headache and sudden flash of lights including Migraine headache (adult), Tension headache, and Ocular migraine.
1 There are areas of commonality, or consensus, within American public opinion, including consensus on the legitimacy of the government, equality of opportunity, liberty, and democracy.
Public Opinion and How It's Measured. Public Opinion and How It's Measured. The term public opinion refers to attitudes and positions that the American people hold on particular issues facing the country. It is often sharply divided on emotional issues such as affirmative action or gay rights.