EYE-REVISE

Blepharitis

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• = chronically inflamed eyelid margins​

• commonest causes = Staph aureus and Staph epidermidis

•  associations: 

  • acne roasea

  • seborrhoeic dermatitis

• examination findings

  • hyperaemic (red + inflamed) lid margins​

  • lash crusting

  • meibomian gland cysts

  • blocked openings of meibomian glands​

• treatment

  • lid hygiene - keeping eyelids clean with sodium bicarbonate solution​

  • warm compresses - flannels soaked in warm water applied to the eye, up to 6x per day

  • antibiotic ointment

  • lubricating eye drops

  • oral tetracycline antibiotics​

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Stye

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• = infected hair follicle, aka hordeolum​

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Entropion

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• in turning of eyelid​​

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Ectropion

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• outward turning of eyelid​

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Herpes zoster ophthalmicus

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• shingles - reactivation of herpes zoster virus (HZV) which is lying dormant in dorsal root ganglion ​

• can affect ophthalmic branch of trigeminal nerve - has sensory branches to forehead and top of face, including eye and eyelid, to tip of nose