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Prevalence of keratoconus and keratoconus suspect, and their characteristics on corneal tomography in a population-based study.
PLoS One
January 2025
Department of Ophthalmology and Visual Sciences, Yamagata University Faculty of Medicine, Yamagata City, Yamagata, Japan.
Keratoconus (KC) is a progressive corneal disorder resulting in severe visual impairment. We aimed to determine the prevalence and corneal tomographic characteristics of KC and keratoconus suspect (KCS) in a population-based study, and to construct discrimination models with or without corneal tomography. A total of 1,544 eyes (822 participants aged ≥35 years) were evaluated using data from the Yamagata Study (2015-2017).
View Article and Find Full Text PDFPunctate Inner Choroidopathy (PIC)-like Reaction in Stage 3 Extensive Macular Atrophy with Pseudodrusen-like Appearance (EMAP).
Retin Cases Brief Rep
January 2025
Eye Clinic, Department of Biomedical and Clinical Sciences, Ospedale Luigi Sacco, University of Milan, Milan, Italy.
Purpose: To describe a rare complication in a patient with extensive macular atrophy with pseudodrusen-like appearance (EMAP), suggesting immune dysregulation in advanced stages of the disease.
Methods: Case Report. Multimodal imaging -including true-color fundus photography, blue autofluorescence, high-resolution optical coherence tomography (Hi-Res OCT), swept-source OCT angiography, and dye-based angiography- was used to evaluate retinal alterations.
Volumetric imaging of trabecular meshwork dynamic motion using 600 kHz swept source optical coherence tomography.
Biomed Opt Express
January 2025
Department of Bioengineering, University of Washington, Seattle, WA 98105, USA.
The motion of the trabecular meshwork (TM) facilitates the aqueous drainage from the anterior chamber to the venous system, thereby maintaining normal intraocular pressure. As such, characterizing the TM motion is valuable for assessing the functionality of the aqueous outflow system, as demonstrated by previous phase-sensitive optical coherence tomography (OCT) studies. Current methods typically acquire motion from a single cross-sectional plane along the circumference of the anterior chamber.
View Article and Find Full Text PDFIn vivo assessment of regional scleral stiffness by shear wave elastography and its association with choroid and retinal nerve fiber layer characteristics in high myopia.
Graefes Arch Clin Exp Ophthalmol
January 2025
Department of Ophthalmology, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, 160 Pujian Road, Shanghai, 200001, China.
Purpose: To evaluate the posterior scleral stiffness of different regions in high myopic eyes and to explore its associations with macular choroidal and peripapillary retinal nerve fiber layer (pRNFL) thickness and vasculature.
Methods: Thirty subjects with high myopic eyes and 30 subjects with low myopic eyes were included in this study. The elastic modulus of the macular and peripapillary sclera at the temporal, nasal, superior and inferior regions were determined via shear wave elastography (SWE).
Decreased Choriocapillaris Vessel Density in the Ipsilateral Eye after Carotid Artery Revascularization Detected by Widefield Swept-Source OCT Angiography.
Ophthalmol Sci
November 2024
Department of Ophthalmology, Sichuan University West China Hospital, Chengdu, Sichuan Province, China.
Objective: To investigate the short-term blood flow changes and image features of the retina and choroid in patients who underwent carotid artery revascularization (CAR) for severe carotid artery stenosis using widefield swept-source OCT angiography (OCTA).
Design: Prospective study.
Participants: This prospective study included 112 eyes (56 eyes on the ipsilateral side and 56 eyes on the contralateral side) of 56 participants with severe carotid artery stenosis.
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