Bleeding on eyeball white after getting hit- should I be concerned?

It depends.. Subconjunctival (white area) bleeding is common, sometimes from coughing/sneezing hard etc...Usually no pain. You reported being hit, but if you have no pain n no vision change, likely you will be fine...Bleeding there will resolve. If having pain and/or vision trouble, consult your doc.. Since you are blogging online, i don't think you need emergency care at this point... Be safe.. Good luck...