Loss of vision and blood in the retina can be dangerous, thus an eye expert should be consulted as away. Because retinal bleeding can result from diabetes, high blood pressure, trauma, or retinal disease, vitamins by themselves might not be able to solve the issue. The right course of action depends on the precise cause, although some physicians may recommend eye-support pills that contain vitamins C, E, zinc, lutein, omega-3, or vitamin A. Strong vitamin medications should not be started on your own. See an ophthalmologist as soon as possible, particularly if your eyesight is abruptly diminishing, blurry, or accompanied by flashes, floaters, or pain.