Results 1 to 10 of about 2,847 (143)

Quantitative Assessment of Three-Dimensional Choroidal Vascularity and Choriocapillaris Flow Signal Voids in Myopic Patients Using SS-OCTA

Diagnostics, 2021
Purpose: To compare the choroidal vascularity of large- and middle-sized choroidal vessels and choriocapillaris (CC) perfusion in patients with different degrees of myopia using swept-source optical coherence tomography angiography (SS-OCTA).
Zhen Chen, Changzheng Chen, Chen Changzheng   +2 more
exaly   +3 more sources

Image calibration in choroidal vascularity index measurement [PDF]

International Journal of Retina and Vitreous, 2023
Choroid is a tissue with a very high blood flow which is a metabolic supporter of the retina. Recently, the study of choroidal blood flow in ocular and systemic disorders is a hot topic in scientific research.
Mehrdad Motamed Shariati, Nasser Shoeibi
doaj   +4 more sources

Choroidal vascularity features of fundus tessellation in adults with high myopia [PDF]

BMC Ophthalmology
Background To investigate alterations in choroidal vascularity index among highly myopic adults with fundus tessellation, utilizing optical coherence tomography. Methods Total of 143 highly myopic adults (234 eyes) with fundus tessellation were collected
Jiarui Xue, Rongrong Zhang, Minmin Zheng, Xiao Cao, Chenhao Li, Changfan Wu   +5 more
doaj   +2 more sources

Genetic influence on choroidal vascularity index. [PDF]

PLoS ONE
PurposeTo investigate the heritability of genetic influence on macular choroidal vascularity index (CVI).MethodsTotal choroidal area (TCA), luminal area (LA), and CVI was measured using horizontal scan of spectral-domain optical coherence tomography with
Je Moon Yoon, Yong Jin Gil, Joohon Sung, Don-Il Ham, Mingui Kong   +4 more
doaj   +2 more sources

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   +2 more sources

Effects of cigarette smoking on retinal thickness and choroidal vascularity index: a systematic review and meta-analysis [PDF]

International Journal of Retina and Vitreous
Background Smoking increases oxidative stress, affecting the vascular endothelium by decreasing the antioxidant vitamin C and disrupting regular nitric oxide activity.
Miguel A. Quiroz-Reyes, Erick A. Quiroz-Gonzalez, Miguel A. Quiroz-Gonzalez, Virgilio Lima-Gomez   +3 more
doaj   +2 more sources

Segmental choroidal vascularity in Acute Vogt-Koyanagi-Harada disease [PDF]

International Journal of Retina and Vitreous
Purpose To analyse the changes in choroidal structures, both in the inner and outer choroid, including choroidal vascularity index (CVI) and choroidal stromal index (CSI) in patients with Vogt-Koyanagi-Harada (VKH) disease during the acute phase and ...
Ninan Jacob, Niroj Kumar Sahoo, Jay Chhablani, Abdul Rasheed Mohammed, Kiran Kumar Vupparaboina, Jyothirmai G, Saarang Hansraj, Mudit Tyagi   +7 more
doaj   +2 more sources

Ultrasonographic Assessment of Intrinsic Vascularity in Choroidal Nevus, Suspicious Choroidal Nevus, and Choroidal Melanoma

Ophthalmology Science
Purpose: To determine if intrinsic vascularity can be observed in B-scan ultrasound examinations of choroidal nevi (CN) and compare the intensity of the vascularity among CN, suspicious choroidal nevi (SN), and choroidal melanomas (CMs).
Buse Güneri Beser, Bernadete Ayres, Håkan Demirci   +2 more
exaly   +3 more sources

Choroidal vascularity index in health and systemic diseases: a systematic review [PDF]

International Journal of Retina and Vitreous
Background The choroid, a highly vascular structure within the eye, is significantly influenced by various systemic conditions. The advent of enhanced depth optical coherence tomography has improved our ability to evaluate choroidal pathophysiology.
Mehrdad Motamed Shariati, Sahel Khazaei, Mariye Yaghoobi   +2 more
doaj   +2 more sources

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