Ectopia lentis;etiology and treatment

Ectopis lentis is the displacement or malposition of lens from its normal position.The displacement of lens may be subluxation or complete luxation may also occur rendering the pupil aphakic.

Etiology:

Hereditary causes:

  • Familial ectopia lentis
  • Ectopia lentis et pupillae
  • Marfan syndrome;axial myopia,glaucoma, risk of retinal detachment
  • Weill-Marchesani syndrome
  • Homocystinuria
  • Sulphite oxidase deficiency
  • HyperLysinemia

Acquired causes:

  • Trauma
  • High myopia
  • Hypermature cataract
  • Pseudoexfoliation
  • Buphthalmos
  • Ciliary body tumour

Treatment:

  • Correction of refractive errors by spectacles
  • Surgical removal of lens

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