ArticleBMC ophthalmology2024
Grid-based analysis of three-dimensional choroidal Sattler's and Haller's layer vascularity volume index and its relation to age and axial length in adults by ultra-widefield swept-source optical coherence tomography angiography.
Article in BMC ophthalmology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Vortex Vein Morphology and Choroidal Thickness as Predictors of Refractive Status: Model Construction and Mediation Analysis.Translational vision science & technology · 2026Article
- Association between arterial stiffness and choroidal vascular in type 2 diabetes: more pronounced in individuals aged 30 to 50 years.International ophthalmology · 2026Article
- Changes of choroidal thickness and choroidal vascularity index in patients with macular edema secondary to branch retinal vein occlusion after intravitreal ranibizumab.International journal of retina and vitreous · 2025Article
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10 authors.
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Abstract
backgroundThis study was to evaluate the features of choroidal Sattler's and Haller's layer (CSHL) vessels in adults and explore its relationship with factors such as age, axial length (AL) and body mass index (BMI) by using ultra-widefield swept-source optical coherence tomography angiography (ultra-widefield SS-OCTA).
methods24mm × 20mm fovea centered rectangular SS-OCTA scans were acquired. They were divided into 9 identical grids, with each equal size of 8 mm × 6.7 mm. OCTA artifacts were evaluated. Three-dimensional choroidal vascularity volume index (CVI) and choroidal vascular volume per unit area (CVV/a or CVV) of CSHL were calculated. The correlations of CVI and CVV with age, AL, and BMI were analyzed.
resultsArtifacts account for 19.30%, 18.60%, 30.23% of three inferior grids, respectively. CVI and CVV of left eyes were 30.82 ± 0.28% and 76.76 ± 2.19μm, respectively. Similary, CVI and CVV of right eyes were 31.16 ± 0.34% and 80.49 ± 3.10μm. Strong relationships of CVI (0.877, P = 0.000) and CVV (0.866, P = 0.000) were found between the two eyes in the same individual. The covariance of CVI is lower than that of CVV. Higher CVI was associated with younger age and shorter AL. Neither CVI nor CVV has association with BMI.
conclusionsCVI can be a more stable parameter for describing choroidal medium and large-sized vessels compared to CVV. Aging and longer AL were associated with attenuated CSHL's vascularity. Taken together, these findings may provide helpful and referential CSHL vascular parameters for retinal specialists to reveal risk factors of choroidal diseases.
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