The basis of this project is to determine if the computer software program ToriTrack accurately predicts toric contact lens parameters that will neutralize a subject's refractive error. Calculations were compared to two different methods of cross cylinder calculations, the vector method and the lensometry method. The majority of the results from the ToriTrack method compared equally with our other methods used. However there were a small amount of trials done with ToriTrack that mildly differed from the other methods used. These results are unexplainable and would further need to be tested in ongoing research or thesis's.
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