Microspherophakia Developmental Abnormality Quiz
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Questions and Answers

What is the characteristic refractive error associated with microspherophakia?

  • Astigmatism
  • Presbyopia
  • Hyperopia
  • Myopia (correct)

Which syndrome is microspherophakia commonly a part of?

  • Weill-Marchesani syndrome (correct)
  • Marfan syndrome
  • Lowe syndrome
  • Alport syndrome

What ocular condition can result from the spherical lens blocking the pupil?

  • Open-angle glaucoma
  • Cataracts
  • Retinal detachment
  • Secondary angle-closure glaucoma (correct)

What is the cause of microspherophakia believed to be?

<p>Faulty development of the secondary lens fibers during embryogenesis (C)</p> Signup and view all the answers

What is the medical treatment of choice for an attack of angle-closure glaucoma in patients with microspherophakia?

<p>Cycloplegics (C)</p> Signup and view all the answers

How does the use of miotics aggravate angle-closure glaucoma in patients with microspherophakia?

<p>By allowing forward lens displacement (A)</p> Signup and view all the answers

What is the heritability pattern of Weill-Marchesani syndrome?

<p>Autosomal recessive (A)</p> Signup and view all the answers

Why do individuals with Weill-Marchesani syndrome commonly have small stature, short fingers, and broad hands?

<p>A result of genetic mutations affecting limb development (B)</p> Signup and view all the answers

What visual symptom can be observed at the slit lamp in microspherophakia?

<p>Visible lens equator (B)</p> Signup and view all the answers

What shape is the opacification typically in a contusion cataract?

<p>Stellate or rosette-shaped (D)</p> Signup and view all the answers

What is the location of the opacification in a contusion cataract?

<p>Posterior lens capsule (C)</p> Signup and view all the answers

What can occur in addition to cataract formation in some cases of blunt trauma?

<p>Dislocation (A)</p> Signup and view all the answers

What is the prognosis for mild contusion cataracts?

<p>They can improve spontaneously (D)</p> Signup and view all the answers

What is the term for a cataract that involves the entire lens?

<p>Total cataract (C)</p> Signup and view all the answers
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