IGNOU PB Bsc Entrance-2023
Medical & Surgical Nursing
Easy

Untreated Glaucoma can complicate to :

Appeared in: IGNOU PB Bsc Entrance-2023

Explanation

  • Glaucoma is a group of eye disorders characterized by increased intraocular pressure (IOP).
  • Elevated IOP causes progressive and irreversible damage to the optic nerve and retinal fibers.
  • If left untreated, this damage leads to a gradual loss of peripheral vision (tunnel vision) that eventually progresses to complete blindness.
  • Glaucoma is a leading cause of irreversible blindness worldwide, highlighting the importance of early detection and treatment.

Why Other Options Were Wrong

  • Option B: Myopia, or nearsightedness, is a refractive error related to the shape of the eyeball that causes distant objects to be blurry. It is not caused by the optic nerve damage characteristic of glaucoma.
  • Option C: Uveitis is the inflammation of the uvea. While severe or chronic uveitis can be a cause of secondary glaucoma by obstructing aqueous outflow, it is not a complication that results from glaucoma.
  • Option D: A contusion is a bruise resulting from blunt force trauma. It is an acute injury and is completely unrelated to the chronic, progressive pathophysiology of glaucoma.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Complications of untreated glaucoma as background academic context rather than a clinical decision trigger.
  • Nurses play a crucial role in patient education regarding the 'silent' nature of early glaucoma and the absolute necessity of lifelong medication adherence to prevent irreversible blindness.
  • A key nursing action is teaching patients the punctal occlusion technique (pressing the inner corner of the eye) after instilling eye drops to minimize systemic absorption and potential side effects like bradycardia from beta-blockers.
  • What if? If a patient with a history of glaucoma suddenly reports severe eye pain, nausea, and seeing halos around lights, the nurse must suspect acute angle-closure glaucoma. This is a medical emergency requiring immediate ophthalmologic intervention, shifting the focus from chronic management to acute care to prevent rapid vision loss.
How to Approach the Question
  • First, identify the core of the question: it asks for the ultimate consequence or complication of 'untreated' glaucoma.
  • Recall the basic pathophysiology of glaucoma: it involves increased pressure within the eye.
  • Consider the long-term effect of sustained high pressure on a delicate neural structure like the optic nerve. Pressure leads to damage, and damage to a nerve leads to loss of its function.
  • Evaluate the options based on this understanding. Blindness is the loss of the optic nerve's function. Myopia is a refractive issue, uveitis is inflammation, and contusion is trauma. The only logical endpoint of progressive, untreated nerve destruction is total loss of function, which for the eye, is blindness.
Concept Tested & Keywords
  • Concept Tested: Complications of untreated glaucoma
  • Stem keywords: Untreated Glaucoma, complicate
  • Lead-in keywords: BEST, MOST RELEVANT CLUE
  • Negative lead-in flag: false

Question ID

Qr5ybnIC5alpRFWe7xDGlV

Reference Book

E6 Pathology-Textbook of PATHOLOGYHarsh Mohan Part 2 (215-514) p. 82-84

E6 Medicine Harrison 22e Part 1 p. 271-273

Practise the full IGNOU PB Bsc Entrance-2023

Attempt every question from this paper in a timed mock, then review the full solution for each one.