All of the following are the features of Horner's syndrome Except-

Horner's syndrome consists of classical triad of ipsilateral i) Ptosis, ii) Miosis, iii) Anhydrosis (Loss of sweating) Other features are :- Loss of cilio-spinal reflex, Enophthalmos, Heterochromia (ipsilateral iris is of light colour), the pupil is slow to dilate, slight elevation of inferior eyelid, normal pupillary reflex.