###Rationale: Coloured halos, blurring of vision and normal IOP suggest the diagnosis of latent PACG (Prodrome stage).

###Answer: OPTION A IS CORRECT.
###Question: A patient has complaint of seeing coloured holoes in the evening and blurring of vision for last few days with normal IOP -
###Options:
A. Prodromal phase of acute angle closure glaucoma
B. Acute angle closure glaucoma
C. Chronic glaucoma
D. Epidemic dropsy
