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Comparison of optometric extension program's test #19 to Hofstetter's formulas

1 May 1989


This is a study to determine how well Hofstetter's Formulas predict accommodative amplitude in the clinical setting when using the Optometric Extension Program's Test #19 (O.E.P. #19) as the method of measurement. O.E.P. #19 findings were recorded from 150 Pacific University College of Optometry clinic files of patients ages 10 to 60. Scatter grams, regression lines and slope formulas were created to show the age vs accommodative amplitude correlations (see Results and Discussion). The results of my study show that using the Optometric Extension Program's Test #19 method produces accommodative amplitudes that are generally lower than Hofstetter predicts. This leads me to conclude that more suitable formulas need to be established when using the O.E.P. #19 method for assessing accommodative faculity.


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