Containing escalating referrals by bringing optometrists into the NHS

We agree with Clarke that current screening for intraocular pressure (IOP) would fail the Wilson criteria owing to high false positive rates for pneumatic tonometry as much as cost effectiveness.1 In Oxfordshire (2013), 141/182 patients (77%) with raised IOP on pneumatic testing were normal when re-checked by applanation tonometry, and similar data are available from elsewhere.2 3 Before the 2009 National …