1. Precision of limbal ischemia evaluation in ocular chemical injuries with anterior segment optical coherence tomography angiography

    Precision of limbal ischemia evaluation in ocular chemical injuries with anterior segment optical coherence tomography angiography

    Purpose To evaluate the limbal ischemia objectively in ocular surface chemical injuries by using anterior segment optical coherence tomography angiography (AS-OCTA). Methods In this cross-sectional study, acute ocular surface chemical injury patients with less than 1 week injury history were enrolled. Demographic data of the patients were noted, and detailed ophthalmological examination with Dua classification was performed. AS photographs and AS-OCTA images were obtained and used for the assessment of limbal ischemia. To visualize the limbal vasculature, the device was focused manually to get a sharp image for all 4 quadrants of the limbus. The absence of vasculature was regarded ...

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