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Infectious/Inflammatory Problems of the Eye | 마이메르시 MyMerci
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Infectious/Inflammatory Problems of the Eye

NCLEX Review Guide: Infectious/Inflammatory Eye Problems

Common Eye Infections & Inflammatory Conditions

Conjunctivitis (Pink Eye)

  • Bacterial conjunctivitis presents with thick, purulent discharge that causes eyelids to stick together, especially upon waking. Treatment involves topical antibiotics like erythromycin or gentamicin ointment.
  • Viral conjunctivitis typically shows watery discharge with red, irritated eyes and is highly contagious for 10-14 days. Management focuses on supportive care with cool compresses and artificial tears.
  • Allergic conjunctivitis causes bilateral itching, tearing, and redness triggered by allergens. Treatment includes antihistamine drops and avoiding known triggers.

Clinical Scenario

A 25-year-old patient presents with unilateral eye redness, thick yellow discharge, and difficulty opening the eye in the morning. This presentation suggests bacterial conjunctivitis requiring antibiotic treatment.

Key Points

  • Contact isolation required for bacterial and viral conjunctivitis until 24 hours after antibiotic treatment or symptoms resolve
  • Teach proper hand hygiene and avoid touching or rubbing eyes
  • Replace eye makeup and contact lenses after infection resolves

Stye (Hordeolum) & Chalazion

  • External stye (hordeolum) is an acute infection of the eyelash follicle causing a painful, red bump on the eyelid margin. Treatment includes warm compresses 4 times daily and topical antibiotics if needed.
  • Chalazion is a chronic, painless inflammatory lesion of the meibomian gland appearing as a firm nodule away from the lid margin. Management involves warm compresses and may require surgical drainage if persistent.

Memory Aid

STYE vs CHALAZION:
Stye = Sore (painful)
Chalazion = Chronic (painless)

Keratitis

  • Bacterial keratitis causes severe eye pain, photophobia, and corneal opacity with potential for rapid progression to perforation. This is an ophthalmologic emergency requiring immediate antibiotic treatment.
  • Viral keratitis (HSV) presents with dendritic corneal ulcers visible on fluorescein staining and requires antiviral therapy like acyclovir or ganciclovir drops.

    Nursing Assessment for Keratitis

  1. Assess visual acuity and compare to baseline
  2. Evaluate for photophobia and excessive tearing
  3. Document corneal appearance and any opacity
  4. Monitor for signs of perforation (sudden pain relief, aqueous humor leakage)

Commonly Confused Concepts

Condition Location Pain Level Discharge Key Feature
Bacterial Conjunctivitis Conjunctiva Mild irritation Thick, purulent Eyelids stick together
Viral Conjunctivitis Conjunctiva Mild irritation Watery Highly contagious
Stye Eyelid margin Painful None initially Red, tender bump
Chalazion Away from margin Painless None Firm, chronic nodule

Study Tips & Memory Aids

Conjunctivitis Types Memory Aid

BAV:
Bacterial = Bad discharge (thick, purulent)
Allergic = Always itchy
Viral = Very watery

High-Yield NCLEX Points

  • Always assess visual acuity first in any eye complaint
  • Never patch an infected eye - creates warm, moist environment for bacterial growth
  • Contact lens wearers have higher risk for serious complications like keratitis
  • Teach patients to complete full antibiotic course even if symptoms improve

Quick Check Questions

A patient with bacterial conjunctivitis should remain on contact isolation until 24 hours after starting antibiotics
Warm compresses are the first-line treatment for both styes and chalazions
Viral conjunctivitis requires antiviral eye drops for treatment
Keratitis involving the cornea is more serious than conjunctivitis

Common Pitfalls

  • Don't confuse: Stye (painful, at lid margin) vs Chalazion (painless, away from margin)
  • Remember: Keratitis affects the cornea and can cause vision loss - more serious than conjunctivitis
  • Key point: Contact precautions apply to infectious conjunctivitis, not allergic conjunctivitis

Remember: You're preparing to protect vision and provide compassionate eye care. Every concept you master brings you closer to becoming the nurse your patients need. Stay focused and trust your preparation!

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