Anterior chamber




ABNORMAL DEPTH


Very deep




Table 6.1

Causes of very deep anterior chamber







  • 1.

    Large globe




  • 2.

    Large cornea




  • 3.

    Abnormal lens



    • •

      Aphakia


    • •

      Ectopia lentis



  • 4.

    Post-traumatic



    • •

      Angle recession


    • •

      Posterior rupture of globe



  • 5.

    Pigment dispersion syndrome



Shallow




Table 6.2

Causes of shallow anterior chamber







  • 1.

    Small globe



    • •

      Hypermetropia


    • •

      Nanophthalmos


    • •

      Microphthalmos (see Fig. 5.4 )



  • 2.

    Small cornea




  • 3.

    Lens-related



    • •

      Swollen lens


    • •

      Lens dislocated into anterior chamber ( Fig. 6.2 )




      Fig. 6.2



  • 4.

    Post-traumatic



    • •

      External leak ( Fig. 6.3 )




      Fig. 6.3


    • •

      Cyclodialysis cleft



  • 5.

    Postsurgical



    • •

      Leaking cataract section


    • •

      Pupil block by an anterior chamber lens ( Fig. 6.4 )




      Fig. 6.4


    • •

      Expansile gas in vitreous cavity


    • •

      Ciliochoroidal detachments following panretinal photocoagulation


    • •

      Glaucoma filtration surgery ( Fig. 6.5 )




      Fig. 6.5



  • 6.

    Glaucoma



    • •

      Acute angle-closure ( Fig. 6.6 )




      Fig. 6.6


    • •

      Inflammatory pupil block and iris bombé ( Fig. 6.7 )




      Fig. 6.7



  • 7.

    Miscellaneous



    • •

      Ciliary-body tumours and cysts


    • •

      Peters anomaly ( Fig. 6.8 )




      Fig. 6.8


    • •

      Iridoschisis ( Fig. 6.9 )




      Fig. 6.9




Shallow chamber following filtration surgery


Leaking bleb


Signs



Jun 6, 2019 | Posted by in OPHTHALMOLOGY | Comments Off on Anterior chamber

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