Called out from work with a massive headache. Now I have a subconjunctival hemorrhage in my left eye.

[hlthe2b]

7. Even with normal systemic BP, can still be localized increase in venous pressure (Valsalva)

Especially if you have had a triggering event like a major coughing spell. Those symptoms secondary to a systemic BP spike would, of course, be very concerning, while the latter might be self-limiting, but you should still probably at least speak with your PCP, especially if you feel ocular pressure or vision changes.

'Hope it is transient and minor, Aristus, but if unsure, please check with PCP or opthalmologist (or both).