Abstract
ABSTRACT Purpose: To analyze quantitative OCT-angiography (OCTA) measurements of Vogt-Koyanagi-Harada (VKH) disease at different disease stages. Methods: OCTA scans of 110 VKH patients in acute uveitic, convalescent and chronic recurrent stage were reviewed; posterior uveitis recurrent cases were excluded. Superficial and deep capillary plexus (SCP and DCP) vascular densities (VD) and subfoveal choroidal thickness (SFCT) were compared. Results: DCP VD was significantly lower and SFCT higher in VKH than normal controls (NC) in all 3 stages (all p < .001). Anterior uveitis recurrent patients had lower SCP and DCP VDs and thicker SFCT than convalescent patients (p = .001, p < .001, and p = .003, respectively). DCP VD was significantly correlated with visual acuity (p < .05). Patients with history of anterior recurrence had lower retinal VDs in the convalescent stage than those without (p < .001). Conclusion: Retinal microcirculation is impaired in VKH. DCP VD might be a sensitive indicator of inflammatory status and appeared to be well associated with visual outcome.
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