You have been referred a middle–aged patient to rule out open angle glaucoma. Which of the following findings will help in the diagnosis –

At least two of the following three are required to make a diagnosis of POAG :- Raised IOP (>21 mmHg) on more than one occasion and a circadian variation in TOP > 8 mmHg. Glaucomatous changes in optic disc (including cupping of disc) Visual field changes.