Description
Special order item only, no returns accepted.
Please allow approximately 3-4 weeks for supply.
Mainly used for exercises on the flexibilty of convergence/divergence.
As the prismatic power increases so dos the difficulty of the exercise.
Used in the test of binocular balance provided for by the 21 point procedure.
Used especially in the cases of anisometropia to balance the optical compensation detected with the subjective examination monucualar distance view.
08322 – 4BI / 6BE
08323 8BI / 12BE
08324 10BI / 10BE
08327 3BA +3BB / 3BB +3BA