ArticleDiagnostics (Basel, Switzerland)2023
Retinal Vessel Local Tortuosity under a Macula-to-Optic Disc Central-Framing Change.
Article in Diagnostics (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Retinal vessel tortuosity and fractal dimension in diabetic retinopathy.International journal of retina and vitreous · 2025Article
- Bridging local and global tortuosity of retinal vessels: Objective testing of index performance.PloS one · 2025Article
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Authors and funding
3 authors.
Funding
Abstract
Some ocular and cardiovascular diseases can be detected through the increased tortuosity of retinal blood vessels. Objective tortuosity measures can be obtained from digital image analysis of a retinography. This study tested a set of local tortuosity indices under a change in the frame center (macula, optic disc) of the eye fundus image. We illustrate the effects of such a change on 40 pairs of vessels evaluated with eight tortuosity indices. We show that the frame center change caused significant differences in the mean values of the vast majority of the tortuosity indices analyzed. The index defined as the ratio of the curvature to the arc length of a vessel segment proved to be the most robust in relation to a frame center change. Experimental results obtained from the analysis of clinical images are provided and discussed.
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