• Blunt or penetrating trauma
• Chemical exposure
• Corneal abrasion
• Foreign body
• Contact lens (overuse or infection)
• Corneal exposure (5th, 7th nerve palsy, ectropion)
• Subconjunctival hemorrhage
• Blepharitis
• Conjunctivitis (infectious or allergic)
• Corneal ulcer
• Herpes keratitis
• Herpes zoster ophthalmicus
• Keratoconjunctivitis sicca (dry eye)
• Dacrocystitis
• Episcleritis
• Scleritis
• Anterior uveitis (iritis or iridocyclitis)
• Endophthalmitis
• Acute angle-closure glaucoma
• Medicamentosus
• Pinguecula
• Pterygium
• Proptosis (retrobulbar mass, orbital cellulitis, Graves’ ophthalmopathy, orbital pseudotumor, carotid-cavernous fistula)

Chapter:
Common Disorders of Vision and Hearing