A woman complains of coloured haloes around lights in the evening, with nausea and vomiting, IOP is normal Diagnosis is –

Features of latent PACG (Prodromal stage) are :- Shallow anterior chamber Occasionally complain of halos around light Sometimes slight-haziness or blurring of vision Normal IOP It is the only phase of glaucoma, where IOP pressure is normal at all the time. Whereas in incipient stage, there is recurrent elevation of IOP by predisposing factors like dim light.