Ultrasound uses sound waves to help visualize the back of the eye. It is just like the ultrasound that is used to look at the fetus during pregnancy, but obviously the ultrasound instrument for the eye is much smaller. Ultrasound is a painless quick way of obtaining a clear view of the retina when either swelling, cataract, or blood in the front of the eye is obscuring the physician’s view to the back of the eye.
Ultrasound of the Eye