Blood vessels are tubes that circulate blood within the body


The retina is the light-sensitive tissue lining the back of the eye


The tiny bulges in blood vessel walls are called microaneurysms (“my-crow-ann-yur-isms”)


Beginning stages of blood leaking into the retina


Many of the blood vessels in the retina show visible changes


Blood leaking into the retina is more severe


Bleeding in the space between the lens and the retina can cause changes in vision


Growth of new, fragile blood vessels