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Use the frame, patient, and lens information provided to cal…

Use the frame, patient, and lens information provided to calculate the horizontal and vertical decentrations for the following questions. Be sure to indicate the amount and the direction of the decentration.  All measurements are given in mm.                          Hint: Use monocular measurements.   Frame:                  A=50.0mm           B=36.0mm            DBL=18.0mm       ED=54.0mm Lens:                     Progressive Addition Lens Patient:                Distance PD = OD-31.0  OS-29.0       Near PD = OD-28.5.0  OS-26.5              Fitting HT = 18.0