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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