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TitreSubjective versus objective vertical cup-disc-ratio assessment in open angle glaucoma patients
Abstract Nr.1059
ButTo evaluate the difference between fundoscopic and confocal scanning vertical cup disc ratio (VCDR) assessment and their respective predictive value for estimating functional glaucomatous damage.
MéthodesData from a single eye of open angle glaucoma patients from the Leuven eye study was included: age, gender, intraocular pressure, visual acuity, spherical equivalent, visual field mean deviation and pattern standard deviation, fundoscopic and HRT II VCDR as well as mean retinal nerve fiber layer thickness (mRNFL). Non-parametric tests to compare within and between diagnostic groups were used and receiver-operater curves as well as Bland Altman plots constructed.
RésultatsThree hundred and one eyes of 301 subjects with primary open angle and normal tension glaucoma were included. The average VCDR assessed with HRT II was significantly smaller than the fundoscopic measurement (p<0.001). The predictive value of both measurement techniques did not differ in NTG patients but the fundoscopic estimate yielded a significant better predictive potential in severe POAG patients.
ConclusionFundoscopic and confocal scanner estimates of VCDR differ significantly and should not be used interchangeably. In POAG patients with severe glaucoma, a subjective VCDR predicts functional glaucomatous damage significantly better.
Auteur 1
NomVANDEWALLE
InitialesE
InstitutUZ Leuven
VilleLeuven
Auteur 2
NomWillekens
InitialesK
InstitutUZ Leuven
VilleLeuven
Auteur 3
NomVan Keer
InitialesK
InstitutUZ Leuven
VilleLeuven
Auteur 4
NomAbegao Pinto
InitialesL
InstitutCentro Hospitalar Lisboa Norte
VilleLisabon
Auteur 5
NomStalmans
InitialesI
InstitutUZ Leuven
VilleLeuven
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