Eyelash Anatomy Quiz
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Questions and Answers

What is the anatomical location of the eyelash (cilia) roots?

  • Lining the posterior margin of the lid
  • At the mucocutaneous junction
  • Within the orbicularis oculi muscle
  • Against the anterior surface of the tarsal plate (correct)

    • What is the definition of the grey line on the lid margin?

  • The border between the skin and conjunctiva
  • The border between the anterior and posterior lamellae (correct)
  • The edge of the tarsal plate
  • The location of the meibomian gland orifices

    • Where are the meibomian gland orifices located?

  • At the edge of the tarsal plate
  • Within the tarsal plate
  • Along the mucocutaneous junction
  • Just anterior to the mucocutaneous junction (correct)

    • Which structure lines the posterior margin of the lid?

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

    What is the term used to describe misdirection of growth from individual eyelash follicles?

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

    Which of the following is NOT a potential complication of eyelash misdirection?

    <p>Increased tear production (A)</p> Signup and view all the answers

    What is the most common cause of acquired distichiasis?

    <p>Intense conjunctival inflammation (B)</p> Signup and view all the answers

    Which statement about congenital distichiasis is true?

    <p>It is frequently associated with primary lymphedema of the legs (A)</p> Signup and view all the answers

    What is the mechanism behind marginal entropion causing eyelash misdirection?

    <p>Subtle cicatricial posterior lamellar shortening (C)</p> Signup and view all the answers

    Which of the following is a relative contraindication for anterior lamellar reconstruction with a free skin graft?

    <p>Medial canthal lesions (D)</p> Signup and view all the answers

    What is the treatment mentioned in the text for distichiasis?

    <p>Epilation with forceps (D)</p> Signup and view all the answers

    Which condition is mentioned as causing non-pigmented and stunted eyelashes?

    <p>Acquired distichiasis (B)</p> Signup and view all the answers

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