Diseases of the Back of the Eye Diseases of the back of the eye, such as: age-related wet macular degeneration, diabetic retinopathy and diabetic macular edema, are currently managed with injections of anti-vascular endothelial growth factor (anti-VEGF) drugs into the gel-like substance (the vitreous humor) that fills the eye between the lens and the retina. The currently used age-related wet macular degeneration injections are: Lucentis, which belongs …