Clinical outcomes of switching to aflibercept using a pro re nata treatment regimen in patients with neovascular age-related macular degeneration who incompletely responded to ranibizumab. - Elwes F; Borooah S; Aspinall P; Sim PY; Loo CY; Armbrecht AM; Dhillon B; Cackett P (BMC ophthalmology, 2018)