<prompt> Bulls eye retinal lesion is seen in toxic retinopathy due to :LeadEthambutolChloroquineOC Pills  <response>: Chloroquine retinopathy, also known as Bulls eye maculopathy,is a retinopathy damage of the retina caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid ahritis and systemic lupus erythematosus. This eye toxicity limits long-term use of the drugs. Ref : Rosenthal P.J. 2013. Chapter 35. Protozoal Helminthic Infections. In M.A. Papadakis, S.J. McPhee, M.W. Rabow, T.G. Berger Eds, CURRENT Medical Diagnosis Treatment 2014. 