Against the opposition of the current President and leaders of the Democratic Party, they have fought to establish, and now to expand, the D.C. Opportunity Scholarship Program, through which thousands of low-income children have been able to attend a school of their choice and receive a quality education.
coronary occlusion. noun. Medical Definition of coronary occlusion. : the partial or complete blocking (as by a thrombus, by spasm, or by sclerosis) of a coronary artery.
Central retinal artery occlusion (CRAO) is a disease of the eye where the flow of blood through the central retinal artery is blocked (occluded).igns and symptoms [edit]. Central retinal artery occlusions cause sudden, acute, and painless loss of vision in one eye. Fundoscopic exam will show a red lesion, called a cherry red spot, with surrounding pale retina (the pale color is caused by ischemia of the retina).