May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Confirmation of Uveal Effusion in Eyes With Primary Angle Closure Glaucoma: An Ultrasound Biomicroscopy Study
Author Affiliations & Notes
  • D. T. Quek
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • R. S. Kumar
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • K. Y. Lee
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • F. T. Oen
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • H. Sakai
    Department of Ophthalmology, University of the Ryskus Hospital, Okinawa, Japan
  • V. T. Koh
    Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
  • L. S. MohanRam
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • M. Baskaran
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • T. T. L. Wong
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • T. Aung
    Singapore National Eye Center, Singapore, Singapore
    Singapore Eye Research Institute, Singapore, Singapore
  • Footnotes
    Commercial Relationships  D.T. Quek, None; R.S. Kumar, None; K.Y. Lee, None; F.T. Oen, None; H. Sakai, None; V.T. Koh, None; L.S. MohanRam, None; M. Baskaran, None; T.T.L. Wong, None; T. Aung, None.
  • Footnotes
    Support  Singapore Eye Research Institute Grant
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 5436. doi:https://doi.org/
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    • Get Citation

      D. T. Quek, R. S. Kumar, K. Y. Lee, F. T. Oen, H. Sakai, V. T. Koh, L. S. MohanRam, M. Baskaran, T. T. L. Wong, T. Aung; Confirmation of Uveal Effusion in Eyes With Primary Angle Closure Glaucoma: An Ultrasound Biomicroscopy Study. Invest. Ophthalmol. Vis. Sci. 2008;49(13):5436. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract
 
Purpose:
 

To determine prevalence of uveal effusion in primary angle closure glaucoma (PACG) eyes using ultrasound biomicroscopy (UBM).

 
Methods:
 

In this prospective observational case series, 74 consecutive patients diagnosed with PACG were enrolled; 28 were newly diagnosed untreated eyes and 46 were eyes that had previous laser iridotomy (LI) and were being followed-up. Twenty normal eyes served as controls. Newly diagnosed PACG eyes underwent UBM before and after LI, while control and treated PACG eyes had UBM at the time of enrolment. Uveal effusion was defined as a clear hypoechogenic space between the choroid and sclera. Grading was as follows: grade 0 (none), grade 1 (slit-like), grade 2 (band-like), and grade 3 (obvious).

 
Results:
 

Overall, uveal effusion was found in 11/74 PACG eyes (14.8%, 95% C.I., 8.3-24.8%) and in none of the controls. Effusion was found in 4/28 (14.2%, 95% C.I., 5.1-32.1%) eyes with newly diagnosed PACG before LI. However, only 2 eyes had effusion after LI. 7/46 (15.2%, 95% C.I., 7.2-28.5%) previously treated PACG eyes had uveal effusion. The effusion in all cases was Grade 1.

 
Conclusions:
 

Sub-clinical uveal effusion was present in about 15% of chronic PACG eyes, confirming a recent report of this finding. Longitudinal studies are required to assess the role of uveal effusion in angle closure glaucoma.  

 
Keywords: uvea 
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