Corneal Problems and Clinical Signs
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Questions and Answers

What is the primary location of punctate epitheliopathy?

  • Endothelium
  • Cornea
  • Stroma
  • Epithelium (correct)
  • What is the name of the condition characterized by a triangular sheet of fibrovascular tissue that encroaches on the cornea?

  • Pinguecula
  • Pterygium (correct)
  • Keratoconus
  • Corneal Ectasia
  • What is the name of the condition characterized by thinning and ectasia of the cornea, often associated with Down syndrome and Marfan's syndrome?

  • Keratoglobus
  • Corneal filaments
  • Keratoconus (correct)
  • Pellucid marginal degeneration
  • What is the name of the deposit that commonly occurs on the bulbar conjunctiva?

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

    What is the term for breaks or folds in Descemet's membrane?

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

    What is the name of the condition characterized by degeneration of collagen fibers in the conjunctival stroma?

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

    What is the characteristic shape of the apical protrusion in keratoconus?

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

    What is the primary reason for advising patients with keratoconus to avoid eye rubbing?

    <p>To prevent further corneal thinning</p> Signup and view all the answers

    What is the name of the sign characterized by bulging of the lower lid on downgaze?

    <p>Munson's sign</p> Signup and view all the answers

    What is the result of acute hydrops in keratoconus?

    <p>Sudden drop in vision</p> Signup and view all the answers

    What is the purpose of RGP contact lenses in treating keratoconus?

    <p>To correct irregular astigmatism</p> Signup and view all the answers

    What is the characteristic finding on slit lamp examination in keratoconus?

    <p>Fine deep stromal striae</p> Signup and view all the answers

    What is the primary cause of lipid keratopathy in vascularized corneae?

    <p>Abnormal vessels leaking lipid into the stroma</p> Signup and view all the answers

    What type of dystrophy is characterized by 'Map Dot Fingerprint' or 'epithelial basement membrane' dystrophy?

    <p>Cogan Microcystic dystrophy</p> Signup and view all the answers

    What is the percentage of patients with Cogan Microcystic dystrophy that will develop recurrent corneal epithelial erosion syndrome?

    <p>10%</p> Signup and view all the answers

    Which type of dystrophy is characterized by fine ring-shaped or polygonal opacities producing a 'honeycomb' or 'fishnet' appearance in the epithelium?

    <p>Reis-Bucklers dystrophy</p> Signup and view all the answers

    What is the primary treatment for band keratopathy?

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

    Which type of dystrophy tends to present with recurrent epithelial erosions and worsening vision from subsequent scarring?

    <p>Dystrophies involving the epithelium and anterior stroma</p> Signup and view all the answers

    What is the typical age of onset for patients with Reis-Bucklers dystrophy?

    <p>First decade of life</p> Signup and view all the answers

    What is the primary component of the lesions in Schnyder dystrophy?

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

    What is the characteristic feature of band keratopathy?

    <p>Nasal and temporal peripheral calcification</p> Signup and view all the answers

    What is the treatment for patients with Schnyder dystrophy who experience reduced vision?

    <p>Excimer laser keratectomy</p> Signup and view all the answers

    What is the primary characteristic of corneal dystrophies?

    <p>Mostly inherited and bilateral</p> Signup and view all the answers

    What is the inheritance pattern of Meesman dystrophy?

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

    What should be checked before determining whether it is safe to remove an ocular foreign body embedded in the cornea?

    <p>Depth of the foreign body</p> Signup and view all the answers

    What is the recommended method for removing a superficial metallic foreign body from the cornea?

    <p>Using the tip of a hyperdermic needle with topical anaesthetic</p> Signup and view all the answers

    Which of the following is a sign of corneal abrasion?

    <p>Corneal epithelial defect, conjunctival hyperaemia, watering, lid swelling, and reduced vision</p> Signup and view all the answers

    What should be considered for pain relief in a patient with corneal abrasion?

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

    What should be given to aid wound healing and provide protection in a patient with an ocular foreign body?

    <p>Topical antibiotics in ointment form</p> Signup and view all the answers

    What should be done in case of doubt regarding the removal of an ocular foreign body?

    <p>Refer the patient to a specialist</p> Signup and view all the answers

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