What is the difference between a hordeolum and a Chalazion? Right Ans -
Primary difference is that a chalazion and hordeolum is that chalazia are a
result of inflammation and hordeola or styes are infectious. (p.266)
Hordeolum Right Ans - An acutely presenting, erythematous, tender lump
within the eyelid
External Hordeolum (Stye) Right Ans - Inflammation/infection of the
eyelid margin affecting the hair follicles of the eyelashes
Internal Hordeolum (Stye) Right Ans - Inflammation/infection of the
Meibomian glands
Chalazion Right Ans - A granulomatous infection of a Meibomian gland,
presenting in the form of painless swelling on the eyelid.
Initially may be tender and erythematous before evolving into a non-tender
lump. Blepharitis is frequently associated with chalazion.
What is the difference between allergic and bacterial conjunctivitis? Right
Ans - Allergic symptoms include red, itchy watery eyes.
Bacterial (such as staphylococcus aureus p.274) is mucopurulent discharge
(significant thick, yellow, sticky exudates on the eyelids).
Bacterial Conjunctivitis Symptoms Right Ans - -Redness-injected eyes
- Purulent or mucopurulent (yellow-green) discharge
- Unilateral at onset
- Eyelids glued shut in morning
- Edematous, shiny red appearance to the lower lids
- Itching and tearing
Bacterial Conjunctivitis Treatment Right Ans - •*Erythromycin ophthalmic
ointment
-Dosage: ½" four times daily for 5 to 7 days
•*Polymyxin-trimethoprim drops-not for contacts
-Dosage: 1 to 2 drops four times daily for 5 to 7 days
•Fluoroquinolone ophthalmic drops (preferred agent in contact lens wearers)
, -Dosage: Generally, 1 t0 2 drops four times faily for 5 to 7 days (regimens vary
by medication)
•Azithromycin drops
-Dosage: 1 drop twice a day for 2 days; then, 1 drop daily for 5 days
Warm compress
Allergic Conjunctivitis Symptoms Right Ans - - Bilateral redness
- Watery, stringy discharge
- Itching
- Crusty in morning
- Allergy symptoms - sneezing, rhinorrhea, an a scratchy throat
Allergic Conjunctivitis Treatment Right Ans - - Cold compresses
- Lubricants
- Topical antihistamines/decongestants/NSAIDs/mast cell stabilizers
- Systemic antihistamines
- No-tears shampoo to wash eyelids
***DO NOT give topical corticosteroids
Signs and Symptoms of Otitis Externa Right Ans - "Swimmer's Ear"
o Inflammation of the membranes lining of the auditory canala and/or
contiguous structures of the outer ear
o Commonly caused by microbial infection (p.306)
o Subjective: acute, severe otalgia with sudden or gradual onset
o Pain may be worse at night, chewing may elicit otic pain
o Pruritic
o Purulent discharge
o Tenderness on traction of the pinna
o Auditory canal usually is edematous and erythematous, preventing full
visualization of the external canal and tympanic membrane
o May culture the fluid in the ear for antibiotic sensitivity
Treatment of Otitis Externa Right Ans - - Heat, NSAIDS or acetaminophen,
keep ear dry, no swimming 4-6 weeks
- Ciprofloxacin HC: 3 gtts BID x 7days
- Neomycin/PolymyxinB HC (Cortisporin) 3gtts TID x7days
- Cortane B AQ: 4-5gtt TID x7days
- Systemic Cipro (if needed): 500mg BID x7days
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