In the Original Investigation entitled “The Risk of Toxic Retinopathy in Patients on Long-term Hydroxychloroquine Therapy” published online October 2, 2014, in JAMA Ophthalmolgy (doi:10.1001/jamaophthalmol.2014.3459), incorrect information appeared. In Table 2, the confidence intervals for Duration of use in 5-y increments should have read as 2.03 (1.72-2.40). This article was corrected online.