May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Agreement Among Risks of Developing Glaucoma Calculated Using Vertical Cup-to-Disc Ratios Determined by Stereoscopic Photography, HRT And OCT
Author Affiliations & Notes
  • F. Saenz-Frances
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • J. M. Martinez-de-la-Casa
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • J. Garcia-Feijoo
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • M. Elias-de-Tejada
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • C. D. Mendez-Hernandez
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • A. M. Fernandez-Vidal
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • J. Garcia-Sanchez
    Glaucoma, Hospital Cli­nico San Carlos. Madrid., Madrid., Spain
  • Footnotes
    Commercial Relationships  F. Saenz-Frances, None; J.M. Martinez-de-la-Casa, None; J. Garcia-Feijoo, None; M. Elias-de-Tejada, None; C.D. Mendez-Hernandez, None; A.M. Fernandez-Vidal, None; J. Garcia-Sanchez, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 3647. doi:https://doi.org/
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      F. Saenz-Frances, J. M. Martinez-de-la-Casa, J. Garcia-Feijoo, M. Elias-de-Tejada, C. D. Mendez-Hernandez, A. M. Fernandez-Vidal, J. Garcia-Sanchez; Agreement Among Risks of Developing Glaucoma Calculated Using Vertical Cup-to-Disc Ratios Determined by Stereoscopic Photography, HRT And OCT. Invest. Ophthalmol. Vis. Sci. 2008;49(13):3647. doi: https://doi.org/.

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

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Abstract

Purpose: : to assess agreement among risks of developing glaucoma estimated according to the vertical cup-disc ratios (V-CDR) indicated by the methods stereoscopic photography, HRT and OCT, using a validated risk calculation method.

Methods: : the validated risk calculation method used takes into account the variables: IOP, central corneal thickness, visual field loss variance (as determined by Octopus tG1x perimetry), age and V-CDR. Glaucoma risks were calculated in 29 subjects with high intraocular pressure (IOP) using V-CDR values determined through stereoscopic photographs, HRT and OCT. We assessed correlations between risks corresponding to the three V-CDR estimation methods and differences between these risks.

Results: : in 36% of the subjects, differences among V-CDR determined by stereoscopic photography and HRT were equal to or less than 0.2, while a similar difference for stereoscopic photography versus OCT was only detected in 28% of the individuals. Correlations between risks were 0.865 (p<0.001) for stereoscopic photography versus OCT and 0.851 (p<0.001) for stereoscopic photography versus HRT. Mean risks based on stereoscopic photography, OCT and HRT were 10.1±9.1, 17±13.1 and 15.6±13.1 respectively. Significant differences emerged when we compared risks based on V-CDR estimates made by stereoscopic photography versus HRT or OCT (p<0.001 photos-OCT; p=0.001 photos-HRT).

Keywords: optic disc • clinical (human) or epidemiologic studies: risk factor assessment • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) 
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