Results 51 to 60 of about 2,764 (226)

Acute hyperglycemia compromises the responses of choroidal vessels using swept-source optical coherence tomography during dark and light adaptations

Frontiers in Endocrinology, 2023
PurposeTo clarify the effects of acute hyperglycemia on the responses of choroidal structural components and vascularity index during light modulation in healthy participants using techniques including image binarization and artificial intelligence (AI ...
Zhiyang Lin, Huankai Yu, Huankai Yu, Ce Shi, Hongling Chen, Guangqing Lin, Meixiao Shen, Meixiao Shen, Chenxiao Wang   +8 more
doaj   +1 more source

Choroidal Vascularity Index and Choroidal Structural Changes in Children With Nephrotic Syndrome. [PDF]

Transl Vis Sci Technol
To investigate the choroidal vascularity index (CVI) and choroidal structural changes in children with nephrotic syndrome.This was a cross-sectional study involving 45 children with primary nephrotic syndrome and 40 normal controls. All participants underwent enhanced depth imaging-optical coherence tomography examinations.
Zhang W, Li J, Zhu L, Zeng S, Lu Y, Zhang Y, Gu X, Wu H, Yang L.   +8 more
europepmc   +3 more sources

Differences in Ocular Blood Flow Between People of African and European Descent With Healthy Eyes [PDF]

, 2016
Purpose: To investigate differences in ocular blood flow between people of African descent (AD) and European descent (ED) with healthy eyes. Materials and Methods: Retrobulbar and retinal capillary blood flow was assessed in 1 eye of 58 participants ...
Eikenberry, Jennifer, Harris, Alon, Kaskan, Betül, Olinde, Carine, Racette, Lyne, Ramezani, Koosha, Siesky, Brent, Tobe, Leslie A., WuDunn, Darrell   +8 more
core   +1 more source

The Correlation between Retinal and Choroidal Thickness with Age-Related White Matter Hyperintensities in Progressive Supranuclear Palsy [PDF]

, 2023
Choroid; Optical coherence tomography; RetinaCoroide; Tomografia de coherència òptica; RetinaCoroides; Tomografía de coherencia óptica; RetinaProgressive supranuclear palsy (PSP) is a rare neurodegenerative disease.
De Bernardo, Maddalena, DE LUCA, Martina, Diana, Francesco, Gioia, Marco, PELLECCHIA, MARIA TERESA, Tepedino , Maria Francesca   +5 more
core   +1 more source

Short-term effect of orthokeratology lens wear on choroidal blood flow in children with low and moderate myopia

Scientific Reports, 2022
We investigated changes in choroidal vascularity and choriocapillaris blood perfusion during orthokeratology (Ortho-K) lens wear. Sixty-two children with low to moderate myopia were enrolled.
Qing Zhu, Qi Zhao
doaj   +1 more source

Choroidal vascularity index and choroidal thickness changes in patients with allergic asthma

Photodiagnosis and Photodynamic Therapy, 2021
This study aimed to investigate whether the choroidal vascularity index (CVI), choroidal thickness (ChT), and retinal nerve fiber thickness (RNFL) of patients with allergic asthma change compared to the healthy control group.This cross-sectional, observational study comprised 59 eyes of 59 patients with allergic asthma (Group 1) and 50 eyes of 50 age ...
Karayiğit, Duygu Zorlu, Yılmaz, Mevlüt, Ayyıldız, Taha, Polat, OSMAN AHMET   +3 more
openaire   +3 more sources

Effects of hydroxychloroquine therapy on choroidal volume and choroidal vascularity index. [PDF]

Eye (Lond), 2023
To determine changes in choroidal volume (CV) and choroidal vascularity index (CVI) in patients on hydroxychloroquine (HCQ) therapy.Retrospective analysis of patients on HCQ therapy. CV and CVI were assessed below the central foveal region on spectral-domain optical coherence tomography using an automatic denoising and localization algorithm.
Hasan N, Driban M, Mohammed AR, Schwarz S, Yoosuf S, Barthelmes D, Vupparaboina KK, Al-Sheikh M, Chhablani J.   +8 more
europepmc   +4 more sources

Decreased choroidal vascularity index and subfoveal choroidal thickness in vitamin D insufficiency

Photodiagnosis and Photodynamic Therapy, 2023
To present the effects of vitamin D insufficiency on the choroidal vascularity index, central choroid and central macula.42 eyes of 42 patients with vitamin D insufficiency and 51 eyes of 51 age- and sex-matched healthy subjects were included in this retrospective, cross-sectional, and comparative study. The macular layer was examined using the retinal
Gizem, Gürbostan Soysal, Mustafa, Berhuni, Zeynep, Özer Özcan, Nesime Setge, Tıskaoğlu, Zeynep, Kaçmaz   +4 more
openaire   +2 more sources

Imaging biomarkers of leukaemic choroidopathy [PDF]

, 2023
Purpose: To longitudinally investigate choroidal and choriocapillaris perfusion metrics and the number of choroidal hyperreflective foci (HRF) in patients with acute leukaemia (AL) before and after disease remission and to correlate these metrics with ...
Apuzzo A., Bandello F., Bernardi M., Ciceri F., Cicinelli M. V., Mastaglio S., Menean M., Miserocchi E., Modorati G.   +8 more
core   +1 more source

Choroidal vascularity index in thyroid-associated ophthalmopathy: a cross-sectional study

Eye and Vision, 2021
Background Hemodynamic changes have been observed in patients with Graves’ disease. The aim of our study was to evaluate choroidal vascular change using the choroidal vascularity index (CVI) in patients with thyroid-associated ophthalmopathy (TAO ...
Pasquale Loiudice, Marco Pellegrini, Michele Marinò, Barbara Mazzi, Ilaria Ionni, Giuseppe Covello, Michele Figus, Marco Nardi, Giamberto Casini   +8 more
doaj   +1 more source