Results 21 to 30 of about 1,665 (139)

Effects of posterior staphyloma on choroidal structure in myopic adults: a retrospective study

BMC Ophthalmology, 2023
Background Studies on the choroid of myopic eyes with posterior staphyloma have shown that choroidal thickness decreased. This retrospective study further analysed the effects of posterior scleral staphyloma on choroidal blood vessels and matrix ...
Zhuo-hua Zhou, Pian-pian Xiong, Jiao Sun, Yan-ling Wang, Jia-lin Wang   +4 more
doaj   +1 more source

Observation of Peripapillary Choroidal Vascularity in Natural Disease Course and After Gene Therapy for Leber's Hereditary Optic Neuropathy

Frontiers in Medicine, 2021
Purpose: To compare peripapillary choroidal vascularity among Leber's Hereditary Optic Neuropathy (LHON) patients at different stages of natural course and healthy controls using optical coherence tomography (OCT), and to evaluate peripapillary choroidal
Jingwen Jiang, Gongpeng Sun, Qingmei Miao, Bin Li, Bin Li, Dan Wang, Jiajia Yuan, Changzheng Chen   +7 more
doaj   +1 more source

Choroidal vascular changes in retinitis pigmentosa patients detected by optical coherence tomography angiography

BMC Ophthalmology, 2020
Background To evaluate choroidal vascular changes, including choriocapillaris (CC) and middle/large choroidal vessels, in retinitis pigmentosa (RP) patients using wide-angle optical coherence tomography angiography (OCTA) and to determine whether changes
Chang Shen, Yang Li, Qian Wang, Yu-Ning Chen, Wei Li, Wen-Bin Wei   +5 more
doaj   +1 more source

Assessment of interocular symmetry of choroidal vascularity index and thickness in patients with systemic sclerosis: a prospective study [PDF]

Frontiers in Medicine
Barbara Pieklarz, Ewa Gindzienska-Sieskiewicz, Otylia Kowal-Bielecka   +2 more
exaly   +2 more sources

Structural abnormalities of choroid vasculature in first-episode psychosis

European Psychiatry, 2023
Introduction The eye is considered as a part of the central nervous system and a window of the brain. The eye and the brain, also their microvascular system, share many common features in terms of anatomy and pathophysiology.
C. Demirlek, F. Atas, B. Yalincetin, H. B. Baykara, B. B. Akdede, M. Kaya, E. Bora   +6 more
doaj   +1 more source

Choroidal thickness and choroidal vascularity index in diabetic retinopathy and diabetic macular edema – A clinical study

TNOA Journal of Ophthalmic Science and Research, 2022
Purpose: To evaluate the choroidal thickness and choroidal vascularity index (CVI) in various stages of diabetic retinopathy and to assess its significance in diabetic macular edema.
Sozhamadevi Subramaniyan, Venkatesh Perumal, Jaya Prabha Balachandar   +2 more
doaj   +1 more source

Detecting early changes in choroidal vascularity and thickness using optical coherence tomography in patients with corneal crosslinking for keratoconus [PDF]

International Journal of Ophthalmology
AIM: To investigate changes in choroidal thickness and vascularity in keratoconus patients treated with corneal crosslinking. METHODS: This study evaluated 28 eyes of 22 patients with keratoconus who underwent corneal crosslinking.
Selim Doganay, Mehmet Omer Kiristioglu, Derya Doganay, Elif Kacmaz   +3 more
doaj   +1 more source

Evaluation of Choroidal Vascular Index in Amblyopic Patients

Türk Oftalmoloji Dergisi, 2022
Objectives:To compare subfoveal choroidal thickness (SFCT) and choroidal vascular index (CVI) in patients with hyperopic refractive and strabismic amblyopia and healthy subjects.Materials and Methods:The study included 17 patients with strabismic ...
Onur Furundaoturan, Cumali Değirmenci, Cezmi Akkın, Elif Demirkılınç Biler, Önder Üretmen, Serhad Nalçacı, Filiz Afrashi   +6 more
doaj   +1 more source

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

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