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231225s2019 xx |||||o 00| ||eng c |
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|a 10.3928/23258160-20191031-11
|2 doi
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|a DE-627
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|a eng
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|a Borrelli, Enrico
|e verfasserin
|4 aut
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|a Eyelashes Artifact in Ultra-Widefield Optical Coherence Tomography Angiography
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|c 2019
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 10.02.2020
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|a Date Revised 10.02.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a Copyright 2019, SLACK Incorporated.
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|a BACKGROUND AND OBJECTIVE: To describe the presence of eyelashes artifact in ultra-widefield swept-source optical coherence tomography angiography (SS-OCTA) images
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|a PATIENTS AND METHODS: In this prospective, cross-sectional study, 52 healthy, young subjects were imaged with the SS-OCTA system. OCTA scans were taken in primary and extremes of gaze, and a montage was automatically created. The en face choriocapillaris images were then exported, and a semi-automated algorithm was used for subsequent quantitative analysis
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|a RESULTS: The authors noted the presence of some linear regions of reduced brightness, which were assumed to represent a shadow effect due to patient eyelashes. In order to quantify this effect, the authors performed a quantitative analysis of the superior and inferior regions in the retinal and choroidal vessels
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|a CONCLUSIONS: The authors' qualitative and quantitative analysis showed the presence of regions of false-positive hypoperfusion secondary to eyelashes artifacts. To the authors' knowledge, this represents the first description of this new type of shadowing artifact affecting OCTA images. [Ophthalmic Surg Lasers Imaging Retina. 2019;50:740-743.]
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|a Journal Article
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|a Viggiano, Pasquale
|e verfasserin
|4 aut
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|a Evangelista, Federica
|e verfasserin
|4 aut
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|a Toto, Lisa
|e verfasserin
|4 aut
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|a Mastropasqua, Rodolfo
|e verfasserin
|4 aut
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|i Enthalten in
|t Ophthalmic surgery, lasers & imaging retina
|d 2013
|g 50(2019), 11 vom: 01. Nov., Seite 740-743
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|x 2325-8179
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|g volume:50
|g year:2019
|g number:11
|g day:01
|g month:11
|g pages:740-743
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|u http://dx.doi.org/10.3928/23258160-20191031-11
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