DICOM transmission of simultaneous stereoscopic images of the optic nerve in patients with glaucoma

We evaluated the Digital Imaging and Communications in Medicine (DICOM) standard for the transmission of stereoscopic images of the optic nerve. Digital optic nerve images were obtained from patients with glaucoma. Fifteen simultaneous stereo images from consecutive patients were analysed independen...

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Bibliographic Details
Published in:Journal of telemedicine and telecare 2007-10, Vol.13 (7), p.337-340
Main Authors: Khouri, Albert S, Szirth, Bernard C, Salti, Haytham I, Fechtner, Robert D
Format: Article
Language:English
Subjects:
Diagnostic Techniques, Ophthalmological - instrumentation
Glaucoma
Glaucoma - diagnosis
Humans
Image Processing, Computer-Assisted - methods
Optic Disk - anatomy & histology
Optic nerve
Optic Nerve - anatomy & histology
Photography - methods
Reproducibility of Results
Telemedicine
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Summary:We evaluated the Digital Imaging and Communications in Medicine (DICOM) standard for the transmission of stereoscopic images of the optic nerve. Digital optic nerve images were obtained from patients with glaucoma. Fifteen simultaneous stereo images from consecutive patients were analysed independently twice, in random order, by two glaucoma specialists to establish baseline values of vertical and horizontal cup-to-disc (CDV and CDH) ratios and image quality (1 = worst, 5 = best). Images were transmitted to a distant location and returned to the sending site using DICOM standards in both directions. The received images were reassessed again by the two glaucoma specialists. The image file size slightly increased for all received images (mean 2545 kByte) in comparison with the transmitted images (mean 2460 kByte). The mean baseline values for CDV, CDH and quality score were 0.66, 0.59 and 3.9, respectively. The corresponding mean values for the received images were 0.66, 0.62 and 3.73, respectively. The differences between transmitted and received images were not significant. Clinical interpretation of digital stereoscopic images of glaucomatous optic nerves appears to be unaffected by DICOM capture and transmission.
ISSN:1357-633X
1758-1109
DOI:10.1258/135763307782215389