B Scan Eye Test
B-scan ultrasonography, or B-scan, is a diagnostic test used in optometry and ophthalmology to produce a two-dimensional, cross-sectional view of the eye and the orbit.
The ultrasound uses high-frequency sound waves that travel through the eye. Reflections (echoes) of the sound waves form a picture of the structure of the eye.
You will be seated or lied down. The test is usually done with your eyes closed. A gel is placed on the skin of your eyelids. The B-scan probe is gently placed against your eyelids to do the test. You may be asked to look in many directions to improve the ultrasound image or so it can view different areas of your eye.
B-scan is done to look at the inside part of the eye or the space behind the eye that can’t be seen. This may occur when you have matured cataracts or other conditions that make it hard for the doctor to see into the retina. The test may help diagnose retinal detachment, tumors, or other disorders.
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