Ophthalmology Book

Joint dislocation

  • Lens Dislocation

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Lens DislocationAka: Dislocated Lens, Lens Subluxation, Subluxated Lens

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  1. Technique for evaluation
    1. Direct ophthalmoscope evaluation of lens
    2. Consider dilating pupil
    3. Normal lens is clear with edge of lens not visible
  2. Causes of Dislocated Lens
    1. Homocystinuria
    2. Marfan's Syndrome
    3. Direct globe trauma

Lens Subluxation (C0023316)

Definition (MSH)Incomplete rupture of the zonule with the displaced lens remaining behind the pupil. In dislocation, or complete rupture, the lens is displaced forward into the anterior chamber or backward into the vitreous body. When congenital, this condition is known as ECTOPIA LENTIS.
ConceptsDisease or Syndrome (T047)
ICD9379.32
MSHD007906
EnglishLens Subluxation, Lens Subluxations, Partial dislocation of lens, Subluxation of lens
Spanishluxacion parcial del cristalino, subluxacion del cristalino
Parent ConceptsAphakia and other disorders of lens (C0155371), Lens Diseases (C0023308), Lens dislocation (C0023309)
SourcesICD9CM, MSH, NCI, NDFRT, OMIM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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