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Impressum
Optic disc hemorrhages on HRT-images
Budde W. M., Hayler J. K., Mardin C. Y.
Augenklinik mit Poliklinik, Friedrich-Alexander Universität Erlangen- Nürnberg, Erlangen
Objective: Glaucomatous optic disc hemorrhages are important diagnostic
and prognostic factors. Purpose of the present study was to examine the
usefulness of HRT images to detect optic disc hemorrhages.
Methods: In our glaucoma project, the optic disc of glaucoma suspects
and glaucoma patients is documented annually by photography and HRT imaging.
By evaluation of optic disc slides 69 glaucomatous optic disc hemorrhages
were identified. HRT images of the same day were evaluated.
Results: Twenty-two (32%) of the 69 hemorrhages were recognizable
on the HRT reflectivity image. Twenty-two (69%) of the 32 hemorrhages
extending to the parapapillary region and none of the hemorrhages which
were restricted to the neuroretinal rim could be detected. By evaluation
of the 32 single images of the HRT image series 34 (49%) of the hemorrhages
were identified on at least one single image. Thirty (94%) of the 32 hemorrhages
extending to the parapapillary region and 4 (11%) of the 37 hemorrhages
restricted to the neuroretinal rim could be detected on at least one single
image. Age, gender, intraocular pressure, and size of the bleeding had
no influence on detectability.
Conclusions: HRT images are not suitable to detect glaucomatous
optic disc hemorrhages.