Abstract
Purpose
To evaluate the changes in retinal microvasculature in eyes with anterior uveitis (AU) using optical coherence tomography angiography.
Methods
Foveal avascular zone (FAZ) of superficial capillary plexus (SCP) and deep capillary plexus (DCP), vessel density (VD) of SCP, DCP, and choriocapillaris, and central macular thickness (CMT) and central foveal thickness (CFT) were calculated from 34 healthy and 41 uveitic eyes. The parameters were compared between the two groups.
Results
The deep FAZ was significantly smaller in the eyes with AU during the attack than after recovery and the control group (p = 0.001 and p = 0.003, respectively). The VD in deep capillary plexus (DCP) in eyes with AU during the attack was significantly higher than the control group (p = 0.048). The VD in the foveal sector of DCP in eyes with AU during the attack and after recovery was significantly higher than the control group (p = 0.001 and p = 0.031, respectively). There was no significant difference regarding CMT, CFT, VDs of each segment and each sector, and superficial and deep FAZ between eyes with first uveitis attack and those with recurrent uveitis during the attack and after recovery (p > 0.05).
Conclusion
The results of this study show that there is a reduction in the FAZ and an increase in the VD of the DCP of the retina during active AU, and these findings are reversible. Acute AU may affect the macular microvasculature, which is usually temporary, especially in the DCP.
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Data availability
The data that support the findings of this study are available from the corresponding author, upon reasonable request.
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Acknowledgements
Thanks to Assoc. Prof. Ahmet Kirgiz for his comments and suggestions.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Gulay Yalcinkaya, and Ihsan Cakir. The first draft of the manuscript was written by Gulay Yalcinkaya, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Ethical approval was obtained through the University of Health Sciences Turkey Ethics Committee (12/5 on July 24, 2020).
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Yalcinkaya, G., Altan, C., Basarir, B. et al. Retinal optical coherence tomography angiography findings of acute anterior uveitis. Int Ophthalmol 42, 1409–1418 (2022). https://doi.org/10.1007/s10792-021-02129-w
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DOI: https://doi.org/10.1007/s10792-021-02129-w