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 are true about Pthisis bulbi except 
Select and explain. 
A. Size of eye decreases, B. Calcification occurs in Bowman's layer of cornea, C. IOP increases in later stages, D. Treatment is enucleation operation
C: IOP increases in later stages
Answer: C: IOP increases in later stages 
Explanation: IOP will not increase in Pthisis bulbi.