ElVisML: an open data format for the exchange and storage of electrophysiological data in ophthalmology

Strasser, Torsten and Peters, Tobias and Jaegle, Herbert and Zrenner, Eberhart (2018) ElVisML: an open data format for the exchange and storage of electrophysiological data in ophthalmology. DOCUMENTA OPHTHALMOLOGICA, 136 (1). pp. 75-92. ISSN 0012-4486, 1573-2622

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Abstract

The ISCEV standards and recommendations for electrophysiological recordings in ophthalmology define a set of protocols with stimulus parameters, acquisition settings, and recording conditions, to unify the data and enable comparability of results across centers. Up to now, however, there are no standards to define the storage and exchange of such electrophysiological recordings. The aim of this study was to develop an open standard data format for the exchange and storage of visual electrophysiological data (ElVisML). We first surveyed existing data formats for biomedical signals and examined their suitability for electrophysiological data in ophthalmology. We then compared the suitability of text-based and binary formats, as well as encoding in Extensible Markup Language (XML) and character/comma-separated values. The results of the methodological consideration led to the development of ElVisML with an XML-encoded text-based format. This allows referential integrity, extensibility, the storing of accompanying units, as well as ensuring confidentiality and integrity of the data. A visualization of ElVisML documents (ElVisWeb) has additionally been developed, which facilitates the exchange of recordings on mailing lists and allows open access to data along with published articles. The open data format ElVisML ensures the quality, validity, and integrity of electrophysiological data transmission and storage as well as providing manufacturer-independent access and long-term archiving in a future-proof format. Standardization of the format of such neurophysiology data would promote the development of new techniques and open software for the use of neurophysiological data in both clinic and research.

Item Type: Article
Uncontrolled Keywords: EVOKED-POTENTIALS; ISCEV STANDARD; GENE-THERAPY; VISION; UPDATE; TRIAL; EEG; Visual electrophysiology; Open data format; Standards; Biomedical signals; Data archiving
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Augenheilkunde
Depositing User: Dr. Gernot Deinzer
Date Deposited: 19 Mar 2020 11:25
Last Modified: 19 Mar 2020 11:25
URI: https://pred.uni-regensburg.de/id/eprint/15118

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