Table 2.

Independent and Dependent Variables Used in the Mathematical Models (See Equations 2–13)

Variable	Description (Units)
t	Time (h)
V Tear	Tear volume (mL)
v i	VEGF (V) concentration (i ∈ {Aq, Vit}) (pmol mL−1)
r i	Ranibizumab (R) concentration (i ∈ {Tear, Aq, Vit}) (pmol mL−1)
u i	VEGF-ranibizumab (VR) concentration (i ∈ {Aq, Vit}) (pmol mL−1)
w i	Ranibizumab-VEGF-ranibizumab (RVR) concentration (i ∈ {Aq, Vit}) (pmol mL−1)

Time, t, is the independent variable: a given for the models. The remaining variables are dependent variables: the quantities for which we are solving our models.