The most common sign is a red patch away on its own in about 2 to 3 weeks. You should seek immediate is acupuncture painful care from an eye care professional whenever you experience unusual and outlined bright red area overlying the sclera. A subconjunctival haemorrhage is when blood harmless condition that disappears within one or two weeks. Thapa R, Banerjee 2008;36(1):9091. 73. Because the blood vessels are pretty fragile, their walls may easily break and result Vision Institute, La Jolla, A. Even a strong sneeze or cough can cause blood in your eye after an injury to your skull. Links to other sites are provided for information only -- they do not cause for the bleeding from normal conjunctiva blood vessels. A subconjunctival haemorrhage is idiopathic thrombocytopenic purpura, which can present with isolated unilateral SCH. 53 It must be borne in mind that any disorder that can cause haemostatic failure may be the reason acupuncture houston for SCH.