“…Although there is a large amount of published data on the diagnosis, pathophysiology, epidemiology, and treatment of OH and POAG, there exists a wide body of opinion concerning screening, referral, management and best practice. [1][2][3][4][5][6][7][8][9][10][11][12][13] Therefore, the Royal College of Ophthalmologists (RCO) guidelines 14 for the management of OH and POAG should be welcomed. The guidelines' authors, on behalf of the RCO, have clearly stated that their document represents consensus guidelines and is not to be considered a protocol for management.…”