B scan ultrasonography is a form of ocular ultrasound which uses the reflection of sound waves to produce a cross-sectional image of the internal structures of your eye. An ultrasound is used to evaluate the inside of an eye when conditions which limit visualization of the retina and vitreous exist. B scan ultrasound imaging of the inside of the eye may be obtained through corneal scarring or swelling, advanced cataracts, and vitreous hemorrhage. They may be helpful in the diagnosis of tumors, foreign bodies, ocular inflammation and retinal detachments.
You will be seated and asked to close your eyes. A gel is placed on the probe. The probe and gel are then placed on the skin of your eyelids or the eye itself. You will be asked to look in different directions to view different parts or sections of your eye. The overall exam is painless.