A nurse is assessing a patient who presents to the emergency department with a suspected foreign body in the right eye. Which assessment finding would be most concerning and require immediate intervention?
A 28-year-old construction worker arrives at the emergency department after getting a metal fragment in his right eye while grinding without protective eyewear.
1Mild tearing and blinking of the affected eye
2Patient reports feeling like "something is in my eye"
3Visible penetrating object protruding from the cornea✓ 정답
4Conjunctival redness and mild photophobia
해설
A visible penetrating object protruding from the cornea is a serious ocular emergency requiring immediate intervention to prevent vision loss. Other findings like tearing or redness are less concerning.
Core Nursing ExplanationKey Concept Analysis: This question tests the nurse's ability to prioritize assessment findings in a patient with an ocular foreign body. The core principle is differentiating between a simple, superficial foreign body and a penetrating ocular injury, which is a true ophthalmologic emergency. A penetrating object can cause direct damage to intraocular structures (cornea, lens, retina), introduce infection leading to endophthalmitis, and significantly increase the risk of permanent vision loss.
Answer Rationale: Key Point! A visible penetrating object protruding from the cornea is the most concerning finding because it indicates the object has breached the cornea's integrity. This requires immediate intervention to prevent further damage, infection, and vision loss. The object must not be removed by the nurse or patient, as this could cause extrusion of intraocular contents. The eye should be protected with a rigid shield (e.g., a paper cup or commercial eye shield), and the patient requires urgent ophthalmologic consultation.
Distractor Analysis:
- Watch out for confusion! Option 1 (Mild tearing and blinking) and Option 2 (Feeling like something is in the eye) are expected and common symptoms with any foreign body, superficial or deep. They do not, by themselves, indicate a penetrating injury.
- Option 4 (Conjunctival redness and mild photophobia) indicates inflammation or irritation, which can occur with a superficial foreign body, corneal abrasion, or conjunctivitis. While it requires assessment and care, it is not the same level of emergency as a penetrating object.
Related Concepts: The nursing priority shifts from assessment to immediate action and protection. For a non-penetrating foreign body, irrigation or careful removal by a healthcare provider may be appropriate. For a penetrating object, stabilization and prevention of further injury are paramount. Always assess visual acuity when safe to do so, as changes can indicate severity.
Concept Summary
- Ocular Emergency (Penetrating Injury): Object breaches the cornea/sclera. Do NOT remove. Shield the eye. Urgent ophthalmology consult.
- Superficial Foreign Body: Object on cornea or under eyelid. Causes irritation, tearing, redness. May be irrigated or removed.
- Priority Action: Protect the eye from further injury. Assess visual acuity. Determine mechanism of injury (high-velocity metal fragments are high risk for penetration).
Side-by-Side Comparison!
Assessment Finding
Clinical Implication
Nursing Priority/Action
Visible object protruding from cornea
Penetrating ocular injury
EMERGENCY. Do not remove. Apply rigid eye shield. Keep NPO. Prepare for surgery.
Foreign body sensation, tearing, redness
Superficial foreign body or corneal abrasion
Assess visual acuity. Irrigate with saline if indicated. Prepare for provider to remove object. Administer topical antibiotics/analgesics as ordered.
Severe pain, profound vision loss, pupil irregularity
Possible globe rupture or major intraocular injury
Same as penetrating injury. Handle patient gently to avoid increasing intraocular pressure (IOP).
Anatomy, Physiology & Pharmacology Points
- Cornea: The clear, dome-shaped front surface of the eye. A breach allows microbes entry into the anterior chamber, risking infection.
- Endophthalmitis: A severe intraocular infection. Signs include severe pain, purulent discharge, and marked decrease in vision. Prophylactic intravitreal antibiotics are often given during surgical repair.
- Medications: For superficial injuries, treatment may include topical antibiotic ointments (e.g., erythromycin) to prevent infection and topical cycloplegics (e.g., cyclopentolate) to reduce pain from ciliary spasm.
Memory Tips
- Mnemonic: "SEE" for Eye Emergency Priorities
- Shield the eye (if penetrating).
- Evaluate visual acuity.
- Ensure no pressure on globe.
- Key Rule: "If it's sticking out, don't pull it out!" For a penetrating object, stabilization is the goal.
High-Frequency NCLEX Topics
This is a classic NCLEX priority-setting and "finding most concerning" question. The exam tests your ability to recognize life- or organ-threatening situations (like a penetrating eye injury) versus less urgent but uncomfortable problems (like conjunctival redness). Always look for findings that indicate a breach of a major body barrier (skin, cornea, meninges).
Watch Out for Question Variations!
- Instead of asking for the "most concerning finding," the question could ask: "The nurse's priority action is to:" (Answer: Apply a rigid eye shield to protect the eye).
- The scenario could involve a chemical splash to the eye. The priority action then becomes immediate and copious irrigation with normal saline or lactated Ringer's for at least 15-20 minutes.
- A follow-up question might test knowledge of post-procedure care: "After removal of a superficial corneal foreign body, the nurse should instruct the patient to:" (Answer: Use antibiotic eye drops as prescribed and avoid rubbing the eye).
Nursing Clinical Practice GuideClinical Scenario: You are the triage nurse in the ED. A 28-year-old male presents holding a tissue over his right eye. He states, "I was grinding metal and felt something hit my eye. It really hurts, and I can't see well out of it." He is anxious and keeps trying to rub his eye.Nursing Intervention Strategy:
1Immediate Safety & AssessmentFirst, prevent him from rubbing the eye. Perform a quick visual acuity check in the unaffected eye, then the affected eye (if he can open it). Ask about the mechanism (high-velocity metal fragment is a red flag). Gently inspect without applying pressure.
2Critical Finding & ActionIf you see a metal shard embedded in the cornea, STOP. Do not attempt irrigation or removal.
StabilizePlace a rigid eye shield (or improvise with the bottom of a paper cup) over the eye. Secure it with tape from forehead to cheekbone, without putting pressure on the eye itself.
NotifyImmediately alert the physician/advanced practice provider and request an urgent ophthalmology consult.
PrepareKeep the patient NPO (nothing by mouth) in case emergency surgery is needed. Administer prescribed IV antibiotics and tetanus prophylaxis if indicated. Provide analgesia and antiemetics (vomiting increases IOP).
3Ongoing CareKeep the head of bed elevated. Provide calm, clear explanations to reduce anxiety, which can also increase IOP. Document the time of injury, initial visual acuity, and all interventions precisely.
Patient Safety and Precautions:
- Key Point!Never remove an embedded object. Removal can cause the iris or lens to prolapse, leading to catastrophic vision loss.- Never apply a pressure patch to a penetrating injury. Use only a rigid shield.
- Instruct all patients with eye trauma to avoid rubbing, bending over, or straining, as these actions can increase intraocular pressure.
Nursing Procedure & Medication FlowFor a Penetrating Injury (as in this case):
1. Procedure: Application of a Rigid Eye Shield.
- Explain the procedure to the patient.
- Carefully place the shield over the affected eye, ensuring the rim rests on the bony orbits (forehead, cheekbone, bridge of nose).
- Secure with tape. Verify no pressure is on the globe.
- Document: "Rigid eye shield applied to right eye. Patient instructed not to touch shield or rub eye."
2. Medication Anticipation:
1Systemic Antibiotics(e.g., IV cefazolin): To prevent endophthalmitis.
2Tetanus ToxoidGiven for contaminated wounds, especially with metal.
3Analgesia(e.g., IV morphine): For severe pain. Avoid NSAIDs that may increase bleeding risk if surgery is planned.
4Antiemetic(e.g., ondansetron): To prevent vomiting and increased IOP.
For a Superficial Foreign Body (Different Procedure):
- Procedure: Eye Irrigation or Foreign Body Removal (by provider).
- Medication: Topical anesthetic (e.g., proparacaine) for procedure, followed by antibiotic ointment (e.g., erythromycin).
A Word from Your Senior Nurse
"Eye injuries can be terrifying for patients. Your calm, confident, and swift action is crucial. Remember, with a penetrating object, our job isn't to fix it—it's to protect it until the ophthalmologist arrives. That simple act of applying a shield correctly can save someone's sight. In triage, your eyes are your first assessment tool: look for the obvious danger before moving to the subtle signs. This 'see the big problem first' mindset is what makes a great ED nurse and will serve you well on the NCLEX."
Penetrating ocular injury — An injury where a foreign object breaches the full thickness of the cornea or sclera, entering the globe. This is an ophthalmologic emergency due to high risk of infection (endophthalmitis) and permanent vision loss.
Endophthalmitis — A severe, purulent inflammation of the intraocular fluids (vitreous and aqueous humor), usually caused by bacterial or fungal infection. It is a feared complication of penetrating eye injuries and can lead to rapid vision loss.
Cornea — The transparent, dome-shaped anterior portion of the outer layer of the eye. It provides most of the eye's focusing power and serves as a protective barrier. A breach in the cornea is a direct pathway for infection.
Rigid eye shield — A protective device (often plastic or the bottom of a paper cup) used to cover an eye with a penetrating injury or after major ocular surgery. It protects the eye from external pressure and accidental contact without touching the globe itself.
Intraocular pressure — The fluid pressure inside the eye. Normal range is 10-21 mmHg. In eye trauma, actions that increase IOP (rubbing, vomiting, straining) can worsen injury by causing further damage or extrusion of intraocular contents.