An aged client with diabetes mellitus complaining of painless peripheral loss of vision is at risk for?

AIIMS BBSR SNO - 2019

Medical & Surgical Nursing

Medium

Appeared in: AIIMS BBSR SNO - 2019

Explanation

Open-angle glaucoma is a chronic, slowly progressive optic neuropathy often called the 'silent thief of sight' because it is initially painless.
It is characterized by a gradual loss of peripheral vision (leading to 'tunnel vision') due to optic nerve damage from increased intraocular pressure.
Major risk factors for developing primary open-angle glaucoma include advanced age and a history of diabetes mellitus.

Option A: Cataract involves the clouding of the eye's lens, which primarily causes blurred or hazy vision, difficulty with glare, and faded color perception, not a specific loss of peripheral vision.
Option B: Uveitis is an inflammation of the uvea (the middle layer of the eye). It typically presents with symptoms of pain, redness, light sensitivity (photophobia), and floaters. The client's complaint is specifically 'painless'.
Option C: Angle-closure glaucoma is an acute medical emergency. It is caused by a sudden blockage of fluid drainage, leading to a rapid and severe increase in eye pressure. Symptoms are abrupt and severe, including intense eye pain, headache, nausea, and seeing halos around lights. This contradicts the 'painless' and gradual nature of the client's symptoms.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Clinical presentation and risk factors of common eye disorders as background academic context rather than a clinical decision trigger.
Nurses have a vital role in educating patients, especially those with diabetes, about the necessity of annual comprehensive eye examinations for the early detection of glaucoma.
Early detection and treatment with medication (eye drops) or surgery can slow the progression of the disease and preserve the patient's remaining sight, as vision loss from glaucoma is irreversible.
What if? If the patient had presented with sudden, severe eye pain and halos around lights, the priority diagnosis would shift to acute angle-closure glaucoma, a medical emergency requiring immediate intervention to lower intraocular pressure and prevent permanent blindness.

How to Approach the Question

First, carefully analyze the key descriptors provided in the question: 'aged client,' 'diabetes mellitus,' 'painless,' and 'peripheral loss of vision.'
Recognize that the combination of 'painless' and 'peripheral vision loss' is the classic presentation for a specific type of eye disorder.
Evaluate each option based on this classic presentation. The term 'painless' helps to rule out acute or inflammatory conditions like angle-closure glaucoma and uveitis.
Differentiate between the remaining options. Cataract causes generalized blurring, while the loss of 'peripheral vision' is the hallmark sign of open-angle glaucoma.
Confirm the diagnosis by considering the patient's risk factors (advanced age and diabetes), which are strongly associated with open-angle glaucoma.

Concept Tested & Keywords

Concept Tested: Clinical presentation and risk factors of common eye disorders.
Stem keywords: aged client, diabetes mellitus, painless, peripheral loss of vision
Lead-in keywords: at risk for
Clinical cues: The combination of 'painless' and 'peripheral vision loss' is a hallmark presentation of open-angle glaucoma.
Clinical cues: Diabetes mellitus and advanced age are significant risk factors for developing open-angle glaucoma.

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