4. Impairment of cognitive and motor function can manifest at oxygen concentrations of 10-15%, loss of consciousness at less than 10%, while death usually occurs at less than 8%. Ear- petechiae (external and/or ear canal), bleeding from ear canal. StrangulationSomeone who violence who have been has been - New York CityStrangulation âWe talk about the serious of strangulation, the short-term and long-term effects of strangulation, what the trauma may look like, how to report, respond and hopefully get a prosecution at the end and how to work ⦠Domestic Violence and Strangulation Tiny blood vessels supply the oxygen and nutrition to the anterior part of the eyeball which is located between ⦠That estimate, according to parents and advocacy groups, doesnât accurately represent how widespread the problem is. Eye infection or disease. Forensic Analysis of Injury and Death by Asphyxiation Eye Pain. blood in eyes after strangulation - laymanelectric.com