In patients treated with hydroxychloroquine, multifocal electroretinography could detect abnormalities in macular function early, before overt maculopathy was present, according to a study.
Chloroquine and hydroxychloroquine (HCQ) are used in rheumatic autoimmune diseases such as rheumatoid arthritis and systemic lupus erythematosus. As both these drugs have a high affinity for melanin, they tend to accumulate in the retina, specifically in the retinal pigment epithelium, as well as in the iris and ciliary body, Gaurav Kiri, MS, said at the virtual Association for Research in Vision and
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