<prompt> All of the following clinical findings are seen in Horners syndrome, exceptMiosisAnhidrosisHeterochromia of irisApparent exophthalmos  <response>: The triad of miosis with ipsilateral ptosis and anhidrosis constitutes Horner;s syndrome, although anhidrosis is an inconstant feature. Brainstem stroke, carotid dissection, and neoplasm impinging on the sympathetic chain occasionally are identified as the cause of Horner;s syndrome, but most cases are idiopathic.Ref: Harrisons 18e p 225 