Conjunctivitis types, keratitis, uveitis, scleritis versus episcleritis, acute angle closure, corneal abrasion and differential for the painful red eye.
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- What is the most common cause of viral conjunctivitis?
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Adenovirus.- What type of discharge is typical of viral conjunctivitis?
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Watery (serous) discharge.- What type of discharge is typical of bacterial conjunctivitis?
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Purulent or mucopurulent discharge.- What is the hallmark symptom of allergic conjunctivitis?
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Itching.- What conjunctival finding is characteristic of allergic conjunctivitis?
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Chemosis with a papillary reaction.- Which type of conjunctivitis commonly causes tender preauricular lymphadenopathy?
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Viral (adenoviral) conjunctivitis.- Which organism causes hyperacute, severe purulent conjunctivitis in adults?
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Neisseria gonorrhoeae.- Why is gonococcal conjunctivitis considered an ocular emergency?
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It can rapidly invade and perforate the cornea if untreated.- What systemic infection is adult chlamydial (inclusion) conjunctivitis associated with?
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Genital chlamydia infection.- Neonatal conjunctivitis appearing 5 to 14 days after birth is most often caused by what organism?
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Chlamydia trachomatis.- Epidemic keratoconjunctivitis (EKC) is a highly contagious infection of the cornea and conjunctiva caused by ____.
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adenovirus- What distinguishing sign is seen on the upper eyelid in vernal keratoconjunctivitis?
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Cobblestone papillae on the upper tarsal conjunctiva.- What commonly causes giant papillary conjunctivitis?
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Chronic contact lens wear.- What is the leading risk factor for bacterial keratitis?
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Contact lens wear.- Which organism classically causes bacterial keratitis in contact lens wearers?
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Pseudomonas aeruginosa.
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