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Lens & Cataract



















Coronary Cataract. Slitlamp and retroillumination view of bilateral coronary cataract demonstrating club-shaped and focal dots opacities distributed radially in the deep cortex.

  • Usually sporadic or occasionally familial
  • Has also been described as dominantly inherited
  • Categorized as zonular cataract because the opacities occur in only one region of the lens, the deep cortex around the nucleus
  • Clinical features:
    • Symptoms: usually asymptomatic because of their peripheral location
    • Signs:
      • Club-shaped, oval, discrete opacities
      • Commonly associated with focal dot opacities
      • Distributed in a radial pattern surrounding the nucleus like a crown

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