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Choroidal Thickness Distribution Features and Trend with Age in A Range of 120° Posterior Pole

Choroidal Thickness Distribution Features and Trend with Age in A Range of 120° Posterior Pole

  • Categories:Academy
  • Time of issue:2023-07-31 11:21
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(Summary description)The maximum MCT was 213.40 ± 36.65 μm for the healthy group aged 20–29, and the minimum MCT was 162.11 ± 31.96 μm for the group aged ≥ 60. The thickest mean choroid thickness (MCT) was located at the macular region and supratemporal region, followed by the nasal side of the optic disc, and thinnest below the optic disc.

Choroidal Thickness Distribution Features and Trend with Age in A Range of 120° Posterior Pole

(Summary description)The maximum MCT was 213.40 ± 36.65 μm for the healthy group aged 20–29, and the minimum MCT was 162.11 ± 31.96 μm for the group aged ≥ 60.
The thickest mean choroid thickness (MCT) was located at the macular region and supratemporal region, followed by the nasal side of the optic disc, and thinnest below the optic disc.

  • Categories:Academy
  • Time of issue:2023-07-31 11:21
  • Views:
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The maximum MCT was 213.40 ± 36.65 μm for the healthy group aged 20–29, and the minimum MCT was 162.11 ± 31.96 μm for the group aged ≥ 60.
The thickest mean choroid thickness (MCT) was located at the macular region and supratemporal region, followed by the nasal side of the optic disc, and thinnest below the optic disc.

Distribution trend of the CVI (%) topographic map was generally consistent with that of CT.
After the age of 50, MCT was significantly and negatively correlated decreased with age, and the MCT in the macular region decreased more remarkably.
This study, “New findings on choroidal features in healthy people by ultra-widefield swept-source optical coherence tomography angiography” was published in <Scientific Reports> recently.

A single captured 120° UWF SS-OCTA at 400KHz speed was used in this study (BM-400K BMizar, TowardPi Medical Technologies, Beijing, China). Algorithm provided robust segmentation result for choroidal boundaries. All quantification data was generated automatically by built-in software, including choroidal thickness, choroidal vascular index, etc.


 

First author: Dr. Xinyue Liu and Dr. Sizhu Chen
Corresponding author: Dr. Jie Zhong and Dr. Jie Li
Sichuan Provincial People’s Hospital, Chengdu, China

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