<prompt> Bulls eye retinopathy is seen in toxicity of:QuinineTobaccoEthanolChloroquine  <response>: Ref: Parsons 21st edition Diseases of the Eye page no:358Kanski: Clinical Ophthalmology; 7th edition, pg no 864Explanation:Chloroquine is a melanotropic drugIt is excreted very slowly from the body get accumulated in melanin containing structures like RPE choroidHydroxychloroquine - Less toxicMaximum dosage - Chloroquine - 6mgkgdayHydroxychloroquine - 4.5mgkgdayOther ocular side effects:vortex keratopathy - reversibleAnterior capsular cataract,Optic neuropathyOther causes of Bulls Eye MaeulopathyCone dystrophyCone rod dystrophyInverse retinitis pigmentosaStargardt s disease 