There are 2 names in this directory beginning with the letter B.
Opacity of the corneal stroma and Bowman's membrane. Symptoms include vision loss and foreign body sensation.
The main or steepest part of the curve used in the design of a contact lens. Measured in millimeters, the base curve is prescribed to match or complement the curvature of your cornea. The lower the number, the steeper the curve of your cornea.