<prompt> A 52-year-old man comes with jaundice and extrapyramidal symptoms. On ophthalmic examination, the below finding is noted. The treatment is:BALPenicillamineCalcium edetateDesferrioxamine  <response>: Ans. B. PenicillamineThe picture shows KF ring in eye, a feature of wilsons disease.KF ring: Brownish-yellow ring visible around the corneo-scleral junction limbus.Consists of copper deposits in Descemets membrane, extending into the trabecular meshwork.Sign of Wilsons disease.Oral Pencillamine is the drug of choice.Tirentine is the alternate drug. 