B-SCAN

B-SCAN

B-scan is considered the brightness scan. It is used for producing a two-dimensional cross-section of the eye and its orbit. A B-scan is generally used to evaluate diseases involving the posterior segment (the hind two-third of the eye) and orbit, typically when the ocular media (fluids within the eye) are cloudy and a direct visualization is not possible. 

They may diagnose eye ailments such as vitreous hemorrhage, retinal detachment,eye cancers, and foreign bodies in the eye.