Eye padding is applied on unconscious patients to prevent:

Haryana CHO -2023

Nursing Foundation

Hard

Appeared in: Haryana CHO -2023

Explanation

In an unconscious patient, the blink reflex is often absent or diminished, leading to the eyes remaining open.
This exposure causes the tear film to evaporate, resulting in corneal dryness (xerophthalmia).
Prolonged dryness leads to breakdown of the corneal epithelium, forming a corneal ulcer, which is a serious complication.
Eye padding serves as a physical barrier to maintain moisture and protect the cornea, thereby preventing the development of an ulcer.
Preventing the ulcer is the ultimate clinical goal, as it can cause permanent vision damage.

Option A: While eye padding does prevent dryness, dryness is the preceding step or the cause, not the ultimate complication being prevented. The primary goal is to prevent the severe consequence of dryness, which is the ulcer.
Option B: The problem in an unconscious patient is the absence of blinking. Eye padding does not prevent blinking; it compensates for the lack of it.
Option D: Eye padding is a surface dressing and does not restrict the movement of the eyeball (extraocular muscles) within the orbit.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Eye care in unconscious patients as background academic context rather than a clinical decision trigger.
Meticulous and regular eye care is a fundamental nursing responsibility for any patient with an altered level of consciousness (e.g., in ICU, post-operative, or coma patients) to prevent sight-threatening complications.
Failure to provide adequate eye care can be considered negligence and can lead to permanent disability for the patient.
What if? If a patient has significant facial trauma or burns that prevent the use of tape or pads, a plastic moisture chamber (a clear, bubble-like covering) can be placed over the eye to maintain humidity.

How to Approach the Question

First, identify the patient's condition: 'unconscious'.
Recall the physiological changes associated with being unconscious, specifically the loss of protective reflexes.
Consider the function of the blink reflex: to moisten and protect the cornea.
Analyze the consequences of a lost blink reflex: corneal exposure -> dryness -> epithelial damage -> ulceration.
Evaluate the intervention: 'eye padding'. Its purpose is to create a barrier and retain moisture.
Connect the intervention to the most severe, preventable complication in the pathophysiological chain. Preventing dryness is good, but preventing the resulting ulcer is the critical goal.

Concept Tested & Keywords

Concept Tested: Eye care in unconscious patients
Stem keywords: Eye padding, unconscious patients, prevent
Lead-in keywords: prevent
Clinical cues: The patient's state of being 'unconscious' is the key clinical cue, as it implies the loss of protective reflexes like blinking.

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E6 Nursing Brunner Adult Health 3SA Vol 2 Part 2 pp. 27-29, 26-28

E6 Nursing Fundamentals Potter Perry 12e Part 4 p. 199-201