Zonular Cataract is Also Known As ? | Ophthalmology MCQ Explained
Description:
In this article, we tackle an important ophthalmology MCQ:
"Zonular cataract is another name for:"
Options:
A. Total cataract
B. Lamellar cataract
C. Traumatic cataract
D. Polar cataract
We will explain why Lamellar Cataract is the correct answer and discuss the features, causes, and clinical significance of zonular (lamellar) cataracts. This is essential knowledge for medical students, optometry students, and eye care professionals!
In this video, you’ll learn:
• What is a Zonular Cataract?
• Why it's also called Lamellar Cataract
• How it differs from other types of cataracts
Clinical signs, symptoms, and treatment options
Related Keywords:
zonular cataract, lamellar cataract, types of cataract, cataract MCQ, eye MCQs, ophthalmology questions, cataract treatment, pediatric cataract, congenital cataract, eye disease education, vision care, blurred vision
A zonular cataract is another name for a lamellar cataract.
In lamellar cataract, the opacity (cloudiness) affects a specific layer (zone) of the lens while other parts of the lens remain clear.
The term "zonular" refers to the involvement of a particular zone or layer of the lens.
It is usually a congenital cataract (present from birth) and often affects both eyes symmetrically.
Vision impact depends on how dense the opacity is and how much it covers the central visual axis.
Why Other Options Are Incorrect:
A. Total cataract: In total cataract, the entire lens becomes opaque — not just a layer.
C. Traumatic cataract: Cataracts that develop after an eye injury; unrelated to zonular/lamellar patterns.
D. Polar cataract: These cataracts occur at the front (anterior) or back (posterior) poles of the lens, not zonular layers.
Summary:
A zonular (lamellar) cataract affects a specific layer of the lens and is typically congenital. It’s different from total, traumatic, or polar cataracts based on location and cause.
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MCQ Explanation