3D reconstruction of the optic nerve head of a phantom eye from images obtained using a slit lamp fitted with low cost add-ons

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Abstract

Early detection and treatment are key in limiting vision loss from glaucoma, the second leading cause of blindness worldwide. The alteration of the optic nerve head’s (ONH) morphology, detectable early in the condition, is a key clinical indicator. The current gold standard is subjective observation through a slit lamp. If quantitative diagnostic devices to extract the topography of the ONH could be made objective and affordable, it could mean task shifting glaucoma diagnostics from specialist to primary/community care. A potentially cost-effective solution is to apply digital 3D reconstruction to stereo images obtained through a slit lamp, a mainstay of eye diagnostics, present in practically all ophthalmology and optometry practices. This works shows ONH reconstruction in an eye phantom through a common slit lamp fitted with extremely inexpensive cameras. Quantitative reconstructions, in close agreement with ground truths, were obtained.
Original languageEnglish
Title of host publication2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Place of PublicationPiscataway, N.J.
PublisherIEEE
Pages4717-4720
Number of pages4
ISBN (Electronic)9781538613115
ISBN (Print)9781538613122
DOIs
Publication statusPublished - 7 Oct 2019
Event41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) - Berlin, Germany
Duration: 23 Jul 201927 Jul 2019
https://embc.embs.org/2019/

Conference

Conference41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Abbreviated titleEMBC 2019
CountryGermany
CityBerlin
Period23/07/1927/07/19
Internet address

Keywords

  • glaucoma
  • vision loss
  • optic nerve head
  • stereoscopic images
  • 3D reconstruction

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