In this and all subsequent pictures, fixate on the nose to simulate the vision loss. |
In diabetic retinopathy, the blood vessels in the back of the eye (retina) may rupture and leak. This causes parts of the retina to die and results in a loss of vision where the leaking occurred. |
In age-related macular degeneration, the center part of the eye and retina known as the macula dies-off, leaving a black hole or "scotoma" right where you're looking. |