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