Defining Nonadherence and Nonpersistence to Anti–Vascular Endothelial Growth Factor Therapies in Neovascular Age-Related Macular Degeneration

This classification system provides a framework for assessing treatment nonadherence and nonpersistence over time and across different health settings in the treatment of nAMD with current intravitreal anti-vascular endothelial growth factor treatments. This may have additional importance, given the potential association of the coronavirus pandemic on adherence to treatment in patients with nAMD.