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</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</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</p> Signup and view all the answers

    What is the heritability pattern of Weill-Marchesani syndrome?

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

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

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

    What shape is the opacification typically in a contusion cataract?

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

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

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

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

    <p>Dislocation</p> Signup and view all the answers

    What is the prognosis for mild contusion cataracts?

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

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

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

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