​Differential diagnosis of eye pain

​Differential diagnosis of eye pain 
-intracranial mass
-optic neuritis 
-scleritis 
-episcleritis 
-uveitis 
-ophthalmic zoster 
-temporal giant cell arteritis 
-migraine 
-cluster headache 
-sinusitis 
-decreasing tearing such as age related, anticholinergics and Sjogren syndrome, 
-dacryocystitis / lacrimal sac infection 
-inverted eyelash / entropion 
-eyelid disorder such as chalazion, hordeolum, blepharitis 
-ultraviolet actinic keratitis 
-orbital cellulitis 
-periorbital cellulitis 
-acute glaucoma
 -trauma 
-keratitis/ corneal ulcer or inflammation such as herpes simplex
-foreign body 
-corneal abrasion 
-viral or bacterial meningitis