Variable Fixation Disparity Vectograph

Can be used in conjunction with the "Binocular Vision Dysfunction Diagnostic & Treatment System" (P/N 1070-PL) to ensure that the concepts of the 1070-PL System have been truly learned & can be applied. Vision Assessment Corporation would like to express its appreciation to Dr. Paul Lederer, O.D., F.C.O.V.D., F.A.A.O. for his help in the design and development of this exercise. Dr. Paul Lederer, O.D., F.C.O.V.D., F.A.A.O. has no financial interest in the Variable Fixation Disparity Polarized Variable Vectograph, nor Vision Assessment Corporation nor any of its products.