Bilateral red eyes
Painful
Chemical Injury
Foreign Body
-welder's flash/grinding
Trauma
Contact Lens
Conjunctivitis (rarely painful, more irritated)
-watery viral/discharge bacterial/consider chlamydia
-viral keratoconjucitivis assoc with URI and adeno
Blepharitis (sore/itchy, may also have ulcers)
Allergic Reaction (to eye drops w/ periorbital excoriation)
Dysthyroid Dz (proptotic, may have visual loss)
-gross chemosis (swelling of conjunctiva), diploplia
Carotico-cavernous fistula: fistula b/n carotid and cavernous sinus p/w bilat conjunctival edema and pulsatile exophthalmos (spont in elderly, 2/2 trauma in young)
Painless
Conjunctivitis
Blepharitis: inflammation of lid margin w/ ocular irritation, matted lashes
Allergic Reaction
Thyroid Dz (optic nerve compression/APD)
Source
Adapted from Pani
Source
Adapted from Pani
