Trial Frames
Lenses in the BK line have a housing diameter of 38 mm (lens diameter 21 mm). For use with trial frames UB 3+, UB 4, UB 6 and Half-eye Trial Frames.
Trial Frames
The trial lenses in the BK line have a rim diameter of 38 mm (lens diameter 21 mm). For use with trial frames UB 3+, UB 4, UB 6 and Half-eye Trial Frames.
Trial Frames
Everyone who has anything to do with the prescription of eyeglasses has heard of OCULUS Universal Trial Frames.
Trial Frames
A universal trial frame from OCULUS for small heads and children.