Date of Award
Master of Science in Vision Science
The purpose of this thesis is to compare the results of different cross cylinder targets as shown below to the standard cross cylinder target used at Pacific University, and also to discover if a variation in illumination on one of the cross cylinder targets will have any effects on the results.
Hirokawa, Roy K. and Pinder, Robert, "A comparison of some near cross cylinder targets with variation of illumination" (1963). College of Optometry. 242.