Results of a 101-patient randomized clinical trial show that implantation of two iStent Trabecular Micro-Bypass stents is a viable initial treatment option, comparable to topical ocular hypotensive medications, in patients with newly diagnosed primary open-angle glaucoma.

The "leap frog guidance” outlines clinical and non-clinical testing recommendations for the nascent field of minimally invasive glaucoma surgical (MIGS) devices. It closely matches a February draft guidance.

The merger of Pfizer and Allergan might raise broader questions about the fairness – or long-term viability – of the corporate tax code in the US. But it also has generated some angst over Allergan’s future as a stalwart in ophthalmology.