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Early hydroxychloroquine retinopathy: optical coherence tomography abnormalities preceding Humphrey visual field defects.
Garrity Sean T, Jung Joo Yeon, Zambrowski Olivia, Pichi Francesco, Su Daniel, Arya Malvika et al.
Br J OphthalmolFeb 20190 citationsCase Series
This study found early, subtle OCT changes (ellipsoid/interdigitation zone loss) in HCQ retinopathy, often preceding visual field defects. This highlights OCT's importance for early screening and detection before functional vision loss.