# A nurse is conducting a visual assessment on a 65-year-old client who reports difficulty seeing objects clearly at close range. Which assessment finding would be most consistent with presbyopia?

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## 문제

A nurse is conducting a visual assessment on a 65-year-old client who reports difficulty seeing objects clearly at close range. Which assessment finding would be most consistent with presbyopia?

The nurse is evaluating a client's near vision capabilities during a comprehensive eye examination.

## 보기

1. Inability to see distant objects clearly while near vision remains intact
2. Sudden onset of severe eye pain with halos around lights
3. Gradual loss of peripheral vision with tunnel vision effect
4. Difficulty reading small print that improves when held at arm's length **✔ 정답**

**정답: 4**

## 해설

Presbyopia causes difficulty focusing on near objects due to loss of lens flexibility, with characteristic improvement when material is held farther away. Other options describe different eye conditions (myopia, acute glaucoma, glaucoma).

## 심화 해설

Understanding the Client's Complaint

The client reports difficulty seeing objects clearly at close range, which is the hallmark symptom of presbyopia. This condition is an age-related, gradual loss of the eye's ability to focus on near objects. To understand why the correct assessment finding is "difficulty reading small print that improves when held at arm's length," we must examine the underlying mechanism of accommodation.

Pathophysiology of Presbyopia

Clear near vision depends on accommodation, the process by which the eye changes optical power to maintain focus on an object as its distance varies [3]. The mechanism involves the ciliary muscle and the crystalline lens. When focusing on a near object, the ciliary muscle contracts, which reduces tension on the zonular fibers. This allows the elastic lens to become more spherical, increasing its refractive power to bend light rays more sharply onto the retina [3].

With aging, the lens undergoes biomechanical changes. It gradually loses its elasticity and becomes stiffer, a process central to the pathogenesis of age-related visual changes . As the lens hardens, it can no longer change shape effectively, even when the ciliary muscle contracts normally. The accommodative amplitude—the eye's focusing range—progressively declines. This results in the near point of clear vision receding further from the eye, making tasks like reading small print difficult.

Connecting Pathophysiology to the Correct Assessment Finding

Option 4, "Difficulty reading small print that improves when held at arm's length," is a direct clinical manifestation of this lost lens elasticity. When a client with presbyopia moves a reading target farther away, the visual angle of the light rays entering the eye decreases, requiring less accommodative effort to bring the image into focus on the retina. This compensatory behavior effectively works around the stiffened lens's inability to sufficiently increase its curvature for near work. This is the most consistent and classic functional assessment finding for presbyopia.

Analysis of Incorrect Options

-   Option 1: Inability to see distant objects clearly while near vision remains intact. This describes myopia (nearsightedness), a refractive error typically caused by an elongated eyeball or excessively curved cornea, not an age-related loss of lens accommodation. In presbyopia, distance vision is characteristically unaffected.

-   Option 2: Sudden onset of severe eye pain with halos around lights. This presentation is a classic sign of acute angle-closure glaucoma, a medical emergency involving a sudden increase in intraocular pressure. It is unrelated to the gradual, painless loss of near vision seen in presbyopia.

-   Option 3: Gradual loss of peripheral vision with tunnel vision effect. This pattern is most consistent with chronic open-angle glaucoma or conditions like retinitis pigmentosa. It reflects damage to the optic nerve or peripheral retina, not the accommodative apparatus of the lens and ciliary muscle.

Clinical and NCLEX-RN Relevance

For the NCLEX-RN, recognizing the functional assessment of presbyopia is fundamental. A nurse's visual assessment must differentiate between refractive errors, acute pathologies, and chronic degenerative conditions. The key clinical pearl is that presbyopia is a bilateral, gradual, and painless loss of near vision that clients often self-correct by increasing the working distance. While pharmacological treatments like pilocarpine ophthalmic solution are emerging to improve near vision by inducing miosis and increasing depth of focus , and advanced contact lenses like the Deseyne lens are designed to extend depth of focus , the initial nursing assessment remains centered on identifying the classic functional symptom: the need to hold reading material farther away to see it clearly.References (research sources)

- [3]Accommodative InsufficiencyResearch articleEnaholo ES, Gurnani B. (2026)

## 임상 시나리오

Presbyopia Assessment GuideAge-Related Near Vision Loss
The hallmark finding of presbyopia is difficulty with near tasks, such as reading small print, that improves when the object is moved farther away. This occurs because the stiffening lens cannot accommodate to focus on close objects.

During a visual assessment, test near vision using a handheld card. Ask the client about onset, which is typically gradual and bilateral. The near point of accommodation recedes with age, a key differentiator from other visual deficits.

CautionDo not confuse presbyopia with hyperopia (farsightedness), which is a refractive error present at any age. Sudden vision changes, pain, or unilateral symptoms require urgent evaluation to rule out conditions like glaucoma or retinal detachment.

## 핵심 개념

- **Presbyopia** — Age-related, gradual loss of the eye's ability to focus on near objects due to decreased lens elasticity.
- **Accommodation** — The process by which the eye's lens changes shape to focus on objects at varying distances, mediated by the ciliary muscle.
- **Ciliary Muscle** — A ring of smooth muscle in the eye that contracts to release tension on zonular fibers, allowing the lens to become more spherical for near vision.
- **Myopia** — Nearsightedness; a refractive error where distant objects appear blurry while near vision remains clear.

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