May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Asymmetric Intraocular Pressure in Subjects With or Without Glaucoma
Author Affiliations & Notes
  • G. L. Spaeth
    Glaucoma Service, Wills Eye Institute, Philadelphia, Pennsylvania
  • Y. Wang
    Glaucoma Service, Wills Eye Institute, Philadelphia, Pennsylvania
  • D. S. M. d. Barros
    Glaucoma Service, Wills Eye Institute, Philadelphia, Pennsylvania
  • J. B. V. K. Navarro
    Glaucoma Service, Wills Eye Institute, Philadelphia, Pennsylvania
  • S. J. Fudemberg
    Glaucoma Service, Wills Eye Institute, Philadelphia, Pennsylvania
  • S. Wizov
    Glaucoma Service, Wills Eye Institute, Philadelphia, Pennsylvania
  • Footnotes
    Commercial Relationships  G.L. Spaeth, None; Y. Wang, None; D.S.M.D. Barros, None; J.B.V.K. Navarro, None; S.J. Fudemberg, None; S. Wizov, None.
  • Footnotes
    Support  Glaucoma Service Foundation at Willseye
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 1064. doi:https://doi.org/
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    • Get Citation

      G. L. Spaeth, Y. Wang, D. S. M. d. Barros, J. B. V. K. Navarro, S. J. Fudemberg, S. Wizov; Asymmetric Intraocular Pressure in Subjects With or Without Glaucoma. Invest. Ophthalmol. Vis. Sci. 2008;49(13):1064. doi: https://doi.org/.

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

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Abstract
 
Purpose:
 

To determine whether intraocular pressure (IOP) asymmetry between fellow eyes may be used to help diagnose the presence of open - angle glaucoma (OAG).

 
Methods:
 

One hundred and ninety eight subjects were analyzed, including 100 normal subjects and 98 subjects with open - angle glaucoma. Different levels of IOP asymmetry were assessed for their association with OAG.

 
Results:
 

IOP asymmetry (the absolute value of right minus left eye) in subjects with OAG was statistically significant from those without OAG (P = 0.01, OR 2.0). No glaucoma patient had complete IOP symmetry, whereas 34% of normals had the same IOP in both eyes. (P=0.000, Χ2= 42.132). 17 cases of glaucoma (17%) had an asymmetry of IOP greater than 6mmHg, however, no normal subject had that amount (P=0.000, Fisher’s exact test, Χ2= 16.83).

 
Conclusions:
 

Intraocular pressure asymmetry, especially when absent or marked, can help to rule in or rule out the diagnosis of open - angle glaucoma (OAG).  

 
Keywords: intraocular pressure 
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