Not sure how exactly. [[http://www.drweilblog.com/storage/post-photos/misc/eye_burst_blood_vessel_blog.jpg?__SQUARESPACE_CACHEVERSION=1331311876673 It looks like this]] [[http://www.nhs.uk/conditions/red-eye/Pages/Introduction.aspx The NHS website]] says it'll clear up on its own "within a few weeks" - that sounds like a long time! Anyone feel like saying "I had this and it went away quite quickly"?