ID
15113
Description
Two 45¿ digital retinal images (Field 1 and 2) will be taken of each eye of the participant using the Canon Non-Mydriatic Retinal CR6-45NM camera with a digital Canon D60 camera back (6.3 megapixels per image). Field 1 is centered on the optic disc and Field 2 is centered on the macula, providing photographic documentation of the optic disc, macula, and substantial portions of the temporal arcades. These photographs may be graded for retinal microvascular characteristics, including focal arteriolar narrowing, arterio-venous nicking, retinopathy (e.g., microaneurysms, retinal hemorrhages) and other conditions. In addition, generalized arteriolar narrowing is quantified using a computer assisted measure of retinal vascular caliber. ODM derived from: https://cde.nlm.nih.gov Primary source: https://www.phenxtoolkit.org/ Recent publication: Hendershot, T., Pan, H., Haines, J., Harlan, W.R., Marazita, M.L., McCarty, C.A., Ramos, E.M., and Hamilton, C.M. (2015) Using the PhenX toolkit to add standard measures to a study. Curr. Protoc. Hum. Genet. 86:1.21.1-1.21.17. doi: 10.1002/0471142905.hg0121s86 Permission to publish granted by Carol M. Hamilton.
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- 9/27/17 9/27/17 -
Uploaded on
September 27, 2017
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License
Creative Commons BY-NC 3.0
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Retinal Digital Photography Protocol PhenX Toolkit
Retinal Digital Photography Protocol PhenX Toolkit
- StudyEvent: SE
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Retinal Digital Photography Protocol PhenX Toolkit
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