<prompt> Drug causing cataract-AmikacinDexamethasoneChloramphenicolPenicillin  <response>: Ans. is ;b i.e., Dexamethasone o Corticosteroids dexamethasone can cause cataract.Types of CataractCausesPosterior subcapsularMyotoic dystrophy, wilsons disease, DM, Atopic dermatitis, Downs syndrome, Corticosteroids, Busulfan, Chloroquine, Trauma, Ionizing radiation, Galactosemia, Senile cataract, Infraredheat cataract glass-blowers or glass worker.Anterior subcapsularWilsons disease, DM, Downs syndrome, Trauma, Electric shock, Anticholinesterase, Amiodarone, Senile cataract, Galactosemia.Anterior capsularVoissious ring Blunt trauma, Gold, Chlorpramazine,NuclearCigarette smoking, Congenital rubella, Ichthyosis, Galactosemia, Senile cataract, DM.CorticalStickler syndrome, Senile cataract, DMAnterior capsular PolarPenetration of cornea Penetrating injury, ophthalmia neonatorum, Congenital cataractPosterior capsular PolarCongenital cataract 