This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
All of the following are the features of Horner's syndrome Except- 
Select and explain. 
A. Ptosis and Miosis in ipsilateral eye, B. Anhydrosis of ipsilateral face, C. Hetrochromia irides, D. Apparent exophthalmos
D: Apparent exophthalmos
Answer: D: Apparent exophthalmos 
Explanation: 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.