Video: Prevalence of Long Term HCQ in Retinal Toxicity: Dr. Kathryn Dao (@KDAO2011 ) Dr. Kathryn Dao reviews abstract OP0133, "The Prevalence and Risk Factors of Retinal Toxicity Associated with Long-Term Hydroxychloroquine Use", presented at #EULAR2021. https://t.co/tZyXQhZgLG https://t.co/x6AfItFWEU