ArticleClinical ophthalmology (Auckland, N.Z.)2026
Polarization-Sensitive OCT Assessment of Retinal Emboli in Branch Retinal Artery Occlusion: A Pilot Study.
Article in Clinical ophthalmology (Auckland, N.Z.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: To evaluate intraluminal emboli in branch retinal artery occlusion (BRAO) using polarization-sensitive optical coherence tomography (PS-OCT). Patients and Methods: Eight eyes of 8 patients with BRAO were included. Fundus photography, swept-source (SS)-OCT, and PS-OCT were performed. Detection rates and entropic profiles of retinal emboli were examined. Results: In this retrospective study of 8 BRAO eyes, fundus photography found thromboemboli in five eyes (62.5%). While SS-OCT detected thromboembolus in two eyes (25.0%), PS-OCT identified in all (100%) eyes, demonstrating a higher detection rate than SS-OCT. Polarimetric entropy (PE) value of thromboemboli was significantly higher than that of background retina ( Conclusion: PS-OCT enables noninvasive visualization of intraluminal embolic material and may provide additional pathophysiological insight beyond conventional OCT. However, these findings are based on a small retrospective cohort and require validation in larger prospective studies.
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