This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of Cornea, Subject name: Ophthalmology
Combination of fixed dilated pupil with iris atrophy and secondary glaucoma following penetrating keratoplasty is: 
Select and explain. 
A. Benedicts syndrome, B. Possner Scholsman Syndrome, C. Urrets Zavalia Syndrome, D. Kauffman
C: Urrets Zavalia Syndrome
Answer: C: Urrets Zavalia Syndrome 
Explanation: Typical symptoms of Urrets zavalia, after corneal transplant in keratoconus surgery. URRETS ZAVALIA SYNDROME * Fixed dilated pupil unresponsive to pilocarpine * Iris atrophy due to iris ischemia Multiple posterior synechiae * Seen in post corneal transplantation in Keratoconus * Elevated IOP a risk factor Use of mydriatics is also considered as a risk factor