Editing Subconjunctival bleeding (section)

==Causes==
*Mechanical
**Increased venous pressure (e.g. extreme [[g-force]], straining, vomiting, choking, sneezing, coughing or [[strangling]])<ref name=NIH /><ref name=Disease /> or from straining due to [[constipation]]
**External pressure changes:<ref name=NIH>
{{cite web|url=https://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002583/ | url-status = dead 
 | archive-url = https://web.archive.org/web/20140202172547/http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002583/ | archive-date = Feb 2, 2014
 | work = PubMed Health on the [[National Institutes of Health]] website | title=Subconjunctival hemorrhage | date=May 1, 2011 | access-date=October 15, 2012
}}</ref><ref name=Disease>
{{cite web|url=http://disease.disease.com/Signs/Subconjunctival-Hemorrhage.html |url-status=dead |access-date=October 15, 2012
 |archive-url=https://web.archive.org/web/20120513072313/http://disease.disease.com:80/Signs/Subconjunctival-Hemorrhage.html |archive-date=May 13, 2012
 |work=Disease.com |title=Subconjunctival hemorrhage |date=n.d.
}}</ref>
***Atmospheric pressure changes due to aircraft altitude changes
***[[Mask squeeze]] from scuba diving without equalizing mask pressure during descent
**[[Eye injury]] or eye surgery
**[[Zygoma fracture]] (results in [[lateral (anatomy)|lateral]] subconjunctival bleeding)
*Medical conditions that affect blood or blood vessels:
**Severe [[hypertension]]
**[[Viral hemorrhagic fever]]
**[[coagulopathy|Coagulation disorder]] (congenital or acquired)
**[[Acute hemorrhagic conjunctivitis]] (caused by including enterovirus 70, coxsackievirus A24 variant, and adenovirus 11)
**[[Leptospirosis]]

Subconjunctival bleeding in infants may be associated with [[scurvy]] (a vitamin C deficiency),<!-- <ref>
{{cite web |url=http://www.whonamedit.com/synd.cfm/1151.html | title = Möller-Barlow disease |publisher=whonamedit.com
}}</ref> --><ref>
{{cite web |url=http://www.emedicine.com/radio/topic628.htm |author=Bruce M. Rothschild |title=Scurvy |date=December 17, 2008 |publisher=[[eMedicine.com]] |access-date=Mar 26, 2022
}}</ref>
[[Child abuse|abuse]] or traumatic [[asphyxia]] syndrome.<ref>
{{cite journal |title=Isolated subconjunctival hemorrhages in nonaccidental trauma |author1=Spitzer S. G |author2=Luorno J. |author3=Noël L. P. |journal=Journal of American Association for Pediatric Ophthalmology and Strabismus |year=2005 |volume=9 |issue=1 |pages=53–56 |pmid = 15729281|doi=10.1016/j.jaapos.2004.10.003
}}</ref>