Bleeding of the conjunctival vessels into the<unk>  space
Can be spontaneous or related to trauma
Spontaneous can be secondary to anticoagulation, bleeding diathesis, etc.
If large and associated with trauma, need to maintain suspicion for occult globe rupture (obscured by<unk> 
Bilateral and recurrent<unk>  should have bleeding diathesis workup
Spontaneous can be secondary to anticoagulation, bleeding diathesis, etc.
Subconjunctival hemorrhage
Nontraumatic
Conjunctival abrasion
Acute angle-closure glaucoma^
Periorbital swelling
Anterior uveitis
Papilledema
Conjunctivitis