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2025-11-06

Insights Into Choroidal Vascular Changes in Pachychoroid Spectrum Diseases Using UWF SS-OCTA

Research recently published in “scientific reports” analyzed choroidal blood flow and anatomical changes in eyes affected by pachychoroid spectrum diseases (PSD) by using ultra-widefield (UWF) full-range SS-OCTA.

2025-10-29

AS-OCT Imaging of Lacrimal Gland in Patients with coGVHD！

A research recently published in 'Cornea' explored the image characteristics of the palpebral lobe of the lacrimal gland in patients with chronic ocular graft-versus-host disease (coGVHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) by using full-range swept-source AS-OCT.

2025-10-14

Popcorns” in Conjunctiva Revealed by AS SS-OCTA

A case report recently published in JAMA Ophthalmology described a conjunctival papillary tumor in a 77-year-old woman by using full range anterior segment (AS) SS-OCTA.

2025-08-05

Connection Between Arterial Pressure and Arteriolar Diameter Captured by UWF SS-OCTA

Research recently published in investigated the metrics of retinal arterioles and venules based on the en face images of the superficial retina using UWF SS-OCTA and assessed their relationships with specific systemic parameters in a normal sample.

2025-07-25

True Exfoliation Syndrome Captured by Full-Range AS-OCT

A wonderful case recently published on the cover of captured a true exfoliation syndrome patient with 100kHz full-range swept-source AS-OCT (Yalkaid, TowardPi).

2025-07-23

Decreased Choroidal Thickness Associated to Early Neurodegeneration in NDR Detected by UWF Full-Range SS-OCTA

Research recently published in identified associations between choroidal alterations and the reduction of peripapillary retinal nerve fiber layer (pRNFL) thickness in diabetes without diabetic retinopathy (nondiabetic retinopathy, NDR) by using UWF SS-OCTA.

2025-07-04

Vitreous Tornado Captured by UWF SS-OCTA

A 61-year-old female African descendant with diagnosis of Sickle Cell Retinopathy (SCR) was studied by TowardPi 400 KHz UWF full-range SS-OCTA Bmizar. Typical SCR peripheral retinal ischemia was revealed on 24mm x 20mm UWF OCTA image with capillary dropout and non-perfusion areas. Severe posterior vitreous detachment adhering to optic disc was reconstructed by UWF 3D-OCT, appearing as an unusual ‘vitreous tornado’.

2025-07-02

Three-Dimensional Choroidal Changes in DR quantified by UWF SS-OCTA

Research recently published in investigated three-dimensional choroidal characteristics in different stages of diabetic retinopathy (DR) and determined the effect of panretinal photocoagulation (PRP) by using UWF SS-OCTA. 192 treatment-naïve DR patients, 42 PRP-treated DR patients and 56 healthy controls were included in this study. Results revealed that choroidal thickness (CT), choroidal vascular and stromal volume (CVV/a and CSV/a) decreased in full range of DR (without treatment), while choroidal vascularity index (CVI) decreased only in the peripheral area. Interestingly, choroid was thinning in no-DR (NDR) and mild NPDR, followed by an increased trend in moderate and late stages of DR. Meanwhile, non-perfusion area (NPA) was positively associated with CT, CVV/a, and CSV/a in moderate and late stages of DR suggesting that increased expression of VEGF might be a significant factor in choroidal thickening. After PRP, choroidal parameters decreased while an increase of CVI in the central area was observed, suggesting that PRP treatment could contribute to the redistribution of choroidal blood flow and improve the perfusion of the macula.

2025-06-24

Association Between High-Myopia Staphyloma and Gaussian Curvature with UWF Full-Range OCTA

Research recently published in Acta Ophthalmologica evaluated choroidal changes in high myopic (HM) patients with posterior staphyloma (PS) and explore their association with Gaussian curvature (K) using UWF-OCTA.

2025-06-12

Paediatric Staphyloma Classified by UWF 3D SS-OCTA

Research recently published in the British Journal of Ophthalmology characterized the features and disease associations of posterior staphyloma in pediatric patients and introduced a new classification system for pediatric staphyloma by using the advanced retinal curvature function of UWF 3D SS-OCTA. As the results shown, the pediatric group displayed prominent temporal and inferior temporal staphylomas, linked to the high prevalence of peripheral vascular diseases which was significantly different from adult staphylomas. Specifically, specific correlations between the location and the aetiology were found in this study, indicating that local lesions of the retina shading the light stimulation might induce eye shape changes.

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