The term Aphakia means?

Chitranjjan National Cancer Institute Kolkata - 2021

Medical Surgical Nursing

Easy

Appeared in: Chitranjjan National Cancer Institute Kolkata - 2021

Explanation

The term 'Aphakia' is derived from the Greek prefix 'a-', which means 'without' or 'absence', and 'phakos', which means 'lens'.
Therefore, aphakia literally translates to the absence of the eye's crystalline lens.
This condition is most commonly a result of cataract surgery, where the clouded natural lens is surgically removed.
It can also be caused by severe eye trauma or, rarely, be a congenital condition where the lens fails to develop.

Option A: Inflammation of the lens is not a standard medical term. The lens is avascular (lacks blood vessels), so it does not become inflamed in the typical sense. Inflammation of surrounding structures, like uveitis, can affect the lens, but 'aphakia' does not mean inflammation.
Option C: This is not a recognized medical or ophthalmic term. Procedures exist to replace or reshape parts of the eye, but 'enhancement of lens' is not a standard description for any condition or procedure.
Option D: This term is too broad and non-specific. Aphakia is the state of being without a lens, often as a result of treating a lens disease like a cataract. A cataract itself is a type of lens disease (an opacity), not the absence of the lens.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition of the ophthalmic term 'Aphakia' as background academic context rather than a clinical decision trigger.
Understanding aphakia is crucial for nurses caring for patients post-cataract surgery. Most patients today become 'pseudophakic' with an IOL implant, which corrects the aphakia.
Nursing care involves educating the patient on post-operative precautions: wearing an eye shield, avoiding activities that increase intraocular pressure (straining, heavy lifting), and correctly administering prescribed antibiotic and steroid eye drops.
Nurses must monitor for signs of complications such as severe pain, sudden vision loss, or discharge, which could indicate infection (endophthalmitis) or retinal detachment.

How to Approach the Question

Identify the question as a Factual Recall question asking for the definition of a medical term.
Analyze the term 'Aphakia'. Break it down into its components: the prefix 'a-' and the root 'phakia'.
Recall that in medical terminology, 'a-' or 'an-' signifies 'without' or 'absence'.
Recall or deduce that 'phakia' or 'phakos' relates to the crystalline lens of the eye.
Combine the meanings: 'a-' + 'phakia' = 'without a lens' or 'absence of the lens'.
Scan the options and select the one that matches this definition.

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