Date of Award
Master of Science in Vision Science
The purpose of this study is to compare two methods of determining the axis and power of the far cylinder: the Jackson Cross cylinder and the Bi-Cross cylinder techniques, in an effort to determine if the Vaughn Bi-Cross cylinder technique could be substituted for the Jackson Cross cylinder test.
DeLucia, G A.; Hall, J C.; Jones, W D.; and Osterberg, A G., "Comparison between the method of determining the power and axis of the cylinder by the Jackson cross cylinder technique and the bi-cross cylinder method as re-developed by Robert Vaughn" (1965). College of Optometry. 261.