Till Death (2018)

After her elderly husband dies under suspicious circumstances, Rose (Nicole Kontolefa) becomes romantically entwined with his former doctor, Garrett (Peter Alexandrou). However, under the weight of Garrett's controlling behavior and infidelity, the relationship sours. And when Rose is struck by a mysterious blindness, she begins to suspect the worst. It's here, in her darkest moments, that Rose begins to plot her revenge.