Imaging of vitreous cortex hyalocyte dynamics using non-confocal quadrant-detection adaptive optics scanning light ophthalmoscopy in human subjects

JV Migacz, O Otero-Marquez, R Zhou… - Biomedical Optics …, 2022 - opg.optica.org
JV Migacz, O Otero-Marquez, R Zhou, K Rickford, B Murillo, DB Zhou, MV Castanos…
Biomedical Optics Express, 2022opg.optica.org
Vitreous cortex hyalocytes are resident macrophage cells that help maintain the
transparency of the media, provide immunosurveillance, and respond to tissue injury and
inflammation. In this study, we demonstrate the use of non-confocal quadrant-detection
adaptive optics scanning light ophthalmoscopy (AOSLO) to non-invasively visualize the
movement and morphological changes of the hyalocyte cell bodies and processes over 1-2
hour periods in the living human eye. The average velocity of the cells 0.52±0.76 µm/min …
Vitreous cortex hyalocytes are resident macrophage cells that help maintain the transparency of the media, provide immunosurveillance, and respond to tissue injury and inflammation. In this study, we demonstrate the use of non-confocal quadrant-detection adaptive optics scanning light ophthalmoscopy (AOSLO) to non-invasively visualize the movement and morphological changes of the hyalocyte cell bodies and processes over 1-2 hour periods in the living human eye. The average velocity of the cells 0.52 ± 0.76 µm/min when sampled every 5 minutes and 0.23 ± 0.29 µm/min when sampled every 30 minutes, suggesting that the hyalocytes move in quick bursts. Understanding the behavior of these cells under normal physiological conditions may lead to their use as biomarkers or suitable targets for therapy in eye diseases such as diabetic retinopathy, preretinal fibrosis and glaucoma.
opg.optica.org
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