<prompt> Bulls eye lesion is due to toxicity of: PGI Dec 2007ChloroquineEthambutolChlorpromazineDapsone  <response>: Ans. A Chloroquine Causes of Bulls Eye MaculopathyChloroquineQToxicity of phenothiazineBardet-Biedl SyndromeInverse retinitis pigmentosaDystrophies:benign concentric annular macular dystrophyfenestrated sheem dystrophycone dystrophyStargardt diseaseBui is eye moculopath causes loss of cen trai vision as well as constriction of peripheral fields.The two main SE of Chloroquine are - corneaI deposits maculopathyQRetinal Toxicity of Systemic DrugsChloroquineHydroxv chloroquine: Bulls eye maculopathyQ.Thioridazine : pigmentary retinopathyChloropromazine : Pigment clumping of retinaNiacin : bilateral maculopathy that mimics cystoids macular edema.Tamoxifen : fine refractive intraretinal crystals as well as granular deposits at the level of the pigment epithelium.Deferoxamine : macular pigmentary irregularities 