April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Diagnostic Ability Of Heidelberg Edge Perimetry For Glaucoma
Author Affiliations & Notes
  • Antonio Ferreras
    Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
    Aragon Health Sciences Institute, Zaragoza, Spain
  • Pilar Calvo
    Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
    Aragon Health Sciences Institute, Zaragoza, Spain
  • Ana B. Pajarin
    Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
    Aragon Health Sciences Institute, Zaragoza, Spain
  • Blanca Monsalve
    Hospital Unv Gregorio Maranon, Madrid, Spain
  • Paolo Fogagnolo
    Fondazione GB Bietti-IRCCS, Canegrate Milan, Italy
  • Paolo Frezzotti
    Ophthalmology, University of Siena, Siena, Italy
  • Michele Figus
    Ophthalmology, University of Pisa, Pietrasanta, Italy
  • Luis E. Pablo
    Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
    Aragon Health Sciences Institute, Zaragoza, Spain
  • Footnotes
    Commercial Relationships  Antonio Ferreras, Carl Zeiss Meditec (F), Heidelberg Engineering (F); Pilar Calvo, None; Ana B. Pajarin, None; Blanca Monsalve, None; Paolo Fogagnolo, None; Paolo Frezzotti, None; Michele Figus, None; Luis E. Pablo, Carl Zeiss Meditec (F), Heidelberg Engineering (F)
  • Footnotes
    Support  This study was supported in part by the Instituto de Salud Carlos III grant PI080976 (Spain)
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 5524. doi:
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      Antonio Ferreras, Pilar Calvo, Ana B. Pajarin, Blanca Monsalve, Paolo Fogagnolo, Paolo Frezzotti, Michele Figus, Luis E. Pablo; Diagnostic Ability Of Heidelberg Edge Perimetry For Glaucoma. Invest. Ophthalmol. Vis. Sci. 2011;52(14):5524.

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

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Abstract

Purpose: : To evaluate and compare the diagnostic ability of white-on-white Heidelberg Edge perimetry (HEP) and Humphrey perimetry to detect retinal nerve fiber layer (RNFL) defects measured with spectral-domain optical coherence tomography (OCT).

Methods: : One hundred normal subjects and 65 age-matched glaucoma patients were prospectively selected. Only one eye per subject was randomly included in the statistical analysis. All participants underwent a comprehensive ophthalmologic examination, a reliable HEP (Heidelberg Engineering, Dossenheim, Germany; 24-2 ASTA Standard strategy), a reliable visual field performed with the Humphrey Field Analyzer (HFA; Zeiss Humphrey Systems, Dublin, CA; 24-2 SITA Standard strategy), and imaging with the Cirrus OCT (Carl Zeiss Meditec, Dublin, CA; optic disc cube 200x200 protocol). Glaucoma patients had intraocular pressure higher than 21 mmHg and an average RNFL thickness significantly thinned beyond the 5% level. Sensitivity-specificity pairs and the areas under the receiver operating characteristic curves (AUCs) were calculated and compared between HEP and HFA visual fields.

Results: : RNFL average thickness was 97.2±8.4 µm and 65.3±11.0 µm in the normal and glaucoma group, respectively (p<0.001). The mean deviation was -6.7±7.7 dB for HEP and -6.7±6.7 dB for HFA in the glaucoma group (p=0.986). Pattern standard deviation (PSD) of HEP (0.937) and HFA (0.934) had the largest AUCs. There was no significant difference between both AUCs (p=0.942).At a fixed specificity of 95%, sensitivity was 89.2% for PSD of HEP and 90.8% for PSD of HFA (cut-off point: >1.97 for both systems).

Conclusions: : HEP and HFA had similar diagnostic ability to differentiate between healthy and glaucoma patients with RNFL defects. PSD yielded the best sensitivity-specificity balance.

Keywords: visual fields • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • imaging/image analysis: clinical 
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